diff --git a/LANG/lang_en.lua b/LANG/lang_en.lua
index fb5cddbf..da409190 100644
--- a/LANG/lang_en.lua
+++ b/LANG/lang_en.lua
@@ -528,13 +528,13 @@ return{
 			pc="PC",
 		},
 		minigame={
-			p15="15 Puzzle",
-			schulte_G="Schulte Grid",
-			pong="Pong",
-			AtoZ="A to Z",
-			UTTT="Ultimate Tic-Tac-Toe",
+			mg_15p="15 Puzzle",
+			mg_schulteG="Schulte Grid",
+			mg_pong="Pong",
+			mg_AtoZ="A to Z",
+			mg_UTTT="Ultimate Tic-Tac-Toe",
 		},
-		p15={
+		mg_15p={
 			reset="Shuffle",
 			color="Color",
 			blind="Blind",
@@ -542,17 +542,17 @@ return{
 			pathVis="Show Path",
 			revKB="Reverse",
 		},
-		schulte_G={
+		mg_schulteG={
 			reset="Reset",
 			rank="Size",
 			blind="Blind",
 			disappear="Hide",
 			tapFX="Tap FX",
 		},
-		pong={
+		mg_pong={
 			reset="Restart",
 		},
-		AtoZ={
+		mg_AtoZ={
 			level="Level",
 			keyboard="Keyboard",
 			reset="Reset",
diff --git a/LANG/lang_fr.lua b/LANG/lang_fr.lua
index 64669419..8c60aab5 100644
--- a/LANG/lang_fr.lua
+++ b/LANG/lang_fr.lua
@@ -527,13 +527,13 @@ return{
 			pc="PC",
 		},
 		minigame={
-			p15="15 Puzzle",
-			schulte_G="Grille de Schulte",
-			pong="Pong",
-			-- AtoZ="A to Z",
-			-- UTTT="Ultimate Tic-Tac-Toe",
+			mg_15p="15 Puzzle",
+			mg_schulteG="Grille de Schulte",
+			mg_pong="Pong",
+			-- mg_AtoZ="A to Z",
+			-- mg_UTTT="Ultimate Tic-Tac-Toe",
 		},
-		p15={
+		mg_15p={
 			reset="Réinitialiser",
 			color="Couleur",
 			blind="Aveugler",
@@ -541,17 +541,17 @@ return{
 			pathVis="Montrer le tracé",
 			revKB="Inverser",
 		},
-		schulte_G={
+		mg_schulteG={
 			reset="Réinitialiser",
             rank="Taille",
 			blind="Aveugler",
 			disappear="Cacher",
 			tapFX="Effet quand tapé",
 		},
-		pong={
+		mg_pong={
 			reset="Redémarrer",
 		},
-		AtoZ={
+		mg_AtoZ={
 			level="niveau",
 			keyboard="Clavier",
 			reset="Redémarrer",
diff --git a/LANG/lang_sp.lua b/LANG/lang_sp.lua
index 8f80599d..1441e67d 100644
--- a/LANG/lang_sp.lua
+++ b/LANG/lang_sp.lua
@@ -532,13 +532,13 @@ return{
 			-- pc="PC",
 		},
 		minigame={
-			p15="Puzzle-15",
-			schulte_G="Grilla Schulte",
-			pong="Pong",
-			-- AtoZ="A to Z",
-			-- UTTT="Ultimate Tic-Tac-Toe",
+			mg_15p="Puzzle-15",
+			mg_schulteG="Grilla Schulte",
+			mg_pong="Pong",
+			-- mg_AtoZ="A to Z",
+			-- mg_UTTT="Ultimate Tic-Tac-Toe",
 		},
-		p15={
+		mg_15p={
 			reset="Mezclar",
 			color="Color",
 			blind="A ciegas",
@@ -546,17 +546,17 @@ return{
 			pathVis="Mostrar Movs.",
 			revKB="Deshacer",
 		},
-		schulte_G={
+		mg_schulteG={
 			reset="Reiniciar",
 			rank="Tamaño",
 			blind="A ciegas",
 			disappear="No mostrar",
 			tapFX="Sonido al pulsar",
 		},
-		pong={
+		mg_pong={
 			reset="Reiniciar",
 		},
-		AtoZ={
+		mg_AtoZ={
 			-- level="Level",
 			-- keyboard="Keyboard",
 			reset="Reiniciar",
diff --git a/LANG/lang_symbol.lua b/LANG/lang_symbol.lua
index 52a4e2a7..9396c1ef 100644
--- a/LANG/lang_symbol.lua
+++ b/LANG/lang_symbol.lua
@@ -463,7 +463,7 @@ return{
 			b3b="^^",
 			pc="#<>#",
 		},
-		p15={
+		mg_15p={
 			reset="!@#$%",
 			color="~~~",
 			blind="???",
@@ -471,17 +471,17 @@ return{
 			pathVis="--==>",
 			revKB="Reverse",
 		},
-		schulte_G={
+		mg_schulteG={
 			reset="!@#$%",
 			rank="←?→",
 			blind="???",
 			disappear="=X=",
 			tapFX="↓ !",
 		},
-		pong={
+		mg_pong={
 			reset="R",
 		},
-		AtoZ={
+		mg_AtoZ={
 			level="_ _ _",
 			keyboard="[##]",
 			reset="R",
diff --git a/LANG/lang_yygq.lua b/LANG/lang_yygq.lua
index f15d4df5..37d4bdd9 100644
--- a/LANG/lang_yygq.lua
+++ b/LANG/lang_yygq.lua
@@ -168,7 +168,7 @@ return{
 			b3b="很牛逼",
 			pc="消干净了",
 		},
-		p15={
+		mg_15p={
 			reset="打乱",
 			color="彩",
 			blind="盲",
@@ -176,7 +176,7 @@ return{
 			pathVis="路径显示",
 			revKB="键盘反向",
 		},
-		schulte_G={
+		mg_schulteG={
 			reset="重开",
 			rank="尺寸",
 			blind="盲",
diff --git a/LANG/lang_zh.lua b/LANG/lang_zh.lua
index 6dcaac06..501aa25b 100644
--- a/LANG/lang_zh.lua
+++ b/LANG/lang_zh.lua
@@ -530,13 +530,13 @@ return{
 			pc="PC",
 		},
 		minigame={
-			p15="15 Puzzle",
-			schulte_G="舒尔特方格",
-			pong="Pong",
-			AtoZ="A to Z",
-			UTTT="战略井字棋",
+			mg_15p="15 Puzzle",
+			mg_schulteG="舒尔特方格",
+			mg_pong="Pong",
+			mg_AtoZ="A to Z",
+			mg_UTTT="战略井字棋",
 		},
-		p15={
+		mg_15p={
 			reset="打乱",
 			color="颜色",
 			blind="盲打",
@@ -544,22 +544,22 @@ return{
 			pathVis="路径显示",
 			revKB="键盘反向",
 		},
-		schulte_G={
+		mg_schulteG={
 			reset="重来",
 			rank="尺寸",
 			blind="盲打",
 			disappear="消失",
 			tapFX="点击动画",
 		},
-		pong={
+		mg_pong={
 			reset="重置",
 		},
-		AtoZ={
+		mg_AtoZ={
 			level="关卡",
 			keyboard="键盘",
 			reset="重置",
 		},
-		UTTT={
+		mg_UTTT={
 			reset="重置",
 		},
 		savedata={
diff --git a/LANG/lang_zh2.lua b/LANG/lang_zh2.lua
index 66db655c..9e13717b 100644
--- a/LANG/lang_zh2.lua
+++ b/LANG/lang_zh2.lua
@@ -118,11 +118,11 @@ return{
 			pc="全清",
 		},
 		minigame={
-			p15="数字华容道",
-			schulte_G="舒尔特方格",
-			pong="弹球",
-			AtoZ="打字游戏",
-			UTTT="战略井字棋",
+			mg_15p="数字华容道",
+			mg_schulteG="舒尔特方格",
+			mg_pong="弹球",
+			mg_AtoZ="打字游戏",
+			mg_UTTT="战略井字棋",
 		},
 	},
 	modes={
diff --git a/parts/list.lua b/parts/list.lua
index dc32ad1b..c0baca50 100644
--- a/parts/list.lua
+++ b/parts/list.lua
@@ -1,4 +1,5 @@
 local sin,cos=math.sin,math.cos
+
 title={
 	{
 		53,		60,
@@ -119,6 +120,7 @@ for _,C in next,title do
 		C[i]=C[i]*.1626
 	end
 end
+
 --[[
 title2={}
 for i=1,#title do title2[i]=title[i]end
@@ -147,6 +149,7 @@ title2[5]={
 	2779,	1280,
 }
 ]]
+
 title_fan={}
 for i=1,8 do
 	local L={}
@@ -232,7 +235,7 @@ drawableText={
 	noScore=T(45),highScore=T(30),
 }
 
-do
+do--spinCenters
 	local N1,N2,N3,N4={0,1},{1,0},{1,1},{.5,.5}
 	local I1,I2,I3,I4={-.5,1.5},{1.5,-.5},{.5,1.5},{1.5,.5}
 	local V4={1.5,1.5}
diff --git a/parts/scenes/p15.lua b/parts/scenes/mg_15p.lua
similarity index 97%
rename from parts/scenes/p15.lua
rename to parts/scenes/mg_15p.lua
index b15d3cd7..d83a7cb2 100644
--- a/parts/scenes/p15.lua
+++ b/parts/scenes/mg_15p.lua
@@ -7,7 +7,7 @@ local int=math.floor
 local rnd=math.random
 local format=string.format
 
-function sceneInit.p15()
+function sceneInit.mg_15p()
 	BG.set("rainbow")
 	BGM.play("push")
 	sceneTemp={
@@ -130,7 +130,7 @@ local function tapBoard(x,y,key)
 		end
 	end
 end
-function keyDown.p15(key)
+function keyDown.mg_15p(key)
 	local S=sceneTemp
 	local b=S.board
 	if key=="up"then
@@ -173,24 +173,24 @@ function keyDown.p15(key)
 		SCN.back()
 	end
 end
-function mouseDown.p15(x,y)
+function mouseDown.mg_15p(x,y)
 	tapBoard(x,y)
 end
-function mouseMove.p15(x,y)
+function mouseMove.mg_15p(x,y)
 	if sceneTemp.slide then
 		tapBoard(x,y)
 	end
 end
-function touchDown.p15(_,x,y)
+function touchDown.mg_15p(_,x,y)
 	tapBoard(x,y)
 end
-function touchMove.p15(_,x,y)
+function touchMove.mg_15p(_,x,y)
 	if sceneTemp.slide then
 		tapBoard(x,y)
 	end
 end
 
-function Tmr.p15()
+function Tmr.mg_15p()
 	local S=sceneTemp
 	if S.state==1 then
 		S.time=Timer()-S.startTime
@@ -261,7 +261,7 @@ local backColor={
 		COLOR.black,COLOR.black,COLOR.black,COLOR.black,
 	},--Black
 }
-function Pnt.p15()
+function Pnt.mg_15p()
 	local S=sceneTemp
 
 	setFont(40)
@@ -315,7 +315,7 @@ function Pnt.p15()
 	gc.rectangle("line",x*160+173,y*160-107,134,134,50)
 end
 
-WIDGET.init("p15",{
+WIDGET.init("mg_15p",{
 	WIDGET.newButton({name="reset",		x=160,y=100,w=180,h=100,color="lGreen",font=40,code=WIDGET.lnk_pressKey("space")}),
 	WIDGET.newSlider({name="color",		x=110,y=250,w=170,unit=4,show=false,font=30,disp=WIDGET.lnk_STPval("color"),	code=function(v)if sceneTemp.state~=1 then sceneTemp.color=v end end,hide=WIDGET.lnk_STPeq("state",1)}),
 	WIDGET.newSwitch({name="blind",		x=240,y=330,w=60,					font=40,disp=WIDGET.lnk_STPval("blind"),	code=WIDGET.lnk_pressKey("w"),	hide=WIDGET.lnk_STPeq("state",1)}),
diff --git a/parts/scenes/AtoZ.lua b/parts/scenes/mg_AtoZ.lua
similarity index 95%
rename from parts/scenes/AtoZ.lua
rename to parts/scenes/mg_AtoZ.lua
index cab664d0..9b4d5f5f 100644
--- a/parts/scenes/AtoZ.lua
+++ b/parts/scenes/mg_AtoZ.lua
@@ -19,7 +19,7 @@ local levels={
 	bpw="OHOOOOOOOOOAAAAEAAIAUJOOOOOOOOOOOAAEOAAUUAEEEEEEEEEAAAAEAEIEAJOOOOOOOOOOEEEEOAAAAAAA",
 }
 
-function sceneInit.AtoZ()
+function sceneInit.mg_AtoZ()
 	BG.set("bg2")
 	BGM.play("way")
 	sceneTemp={
@@ -34,11 +34,11 @@ function sceneInit.AtoZ()
 	}
 	love.keyboard.setKeyRepeat(false)
 end
-function sceneBack.AtoZ()
+function sceneBack.mg_AtoZ()
 	love.keyboard.setKeyRepeat(true)
 end
 
-function keyDown.AtoZ(key)
+function keyDown.mg_AtoZ(key)
 	local S=sceneTemp
 	if #key==1 then
 		if S.state<2 and S.frameKeyCount<3 then
@@ -70,7 +70,7 @@ function keyDown.AtoZ(key)
 	end
 end
 
-function Tmr.AtoZ()
+function Tmr.mg_AtoZ()
 	local S=sceneTemp
 	if S.state==1 then
 		S.frameKeyCount=0
@@ -78,7 +78,7 @@ function Tmr.AtoZ()
 	end
 end
 
-function Pnt.AtoZ()
+function Pnt.mg_AtoZ()
 	local S=sceneTemp
 
 	setFont(40)
@@ -110,7 +110,7 @@ function Pnt.AtoZ()
 	gc.print(S.target,120,520)
 end
 
-WIDGET.init("AtoZ",{
+WIDGET.init("mg_AtoZ",{
 	WIDGET.newSelector({name="level",x=640,y=640,w=200,list={"A_Z","Z_A","Tech1","Tech2","KeyTest1","KeyTest2","hello","zzz","zxzx","stair"},disp=WIDGET.lnk_STPval("level"),code=function(i)sceneTemp.level=i;sceneTemp.target=levels[i]end,hide=function()return sceneTemp.state>0 end}),
 	WIDGET.newButton({name="reset",x=160,y=100,w=180,h=100,color="lGreen",font=40,code=WIDGET.lnk_pressKey("space")}),
 	WIDGET.newButton({name="keyboard",x=160,y=210,w=180,h=100,code=function()love.keyboard.setTextInput(true,0,select(2,SCR.xOy:transformPoint(0,500)),1,1)end,hide=not MOBILE}),
diff --git a/parts/scenes/UTTT.lua b/parts/scenes/mg_UTTT.lua
similarity index 92%
rename from parts/scenes/UTTT.lua
rename to parts/scenes/mg_UTTT.lua
index d35a8300..9b590ab4 100644
--- a/parts/scenes/UTTT.lua
+++ b/parts/scenes/mg_UTTT.lua
@@ -93,13 +93,13 @@ local function place(X,x)
 	round=1-round
 end
 
-function sceneInit.UTTT()
+function sceneInit.mg_UTTT()
 	restart()
 	BGM.set("truth")
 	BG.set("bg2")
 end
 
-function Pnt.UTTT()
+function Pnt.mg_UTTT()
 	gc.push("transform")
 	--origin pos:0,140; scale:4
 	gc.translate(280,0)
@@ -214,19 +214,19 @@ function Pnt.UTTT()
 	end
 end
 
-function touchDown.UTTT(_,x,y)
-	mouseMove.UTTT(x,y)
+function touchDown.mg_UTTT(_,x,y)
+	mouseMove.mg_UTTT(x,y)
 end
 
-function touchMove.UTTT(_,x,y)
-	mouseMove.UTTT(x,y)
+function touchMove.mg_UTTT(_,x,y)
+	mouseMove.mg_UTTT(x,y)
 end
 
-function touchUp.UTTT(_,x,y)
-	mouseDown.UTTT(x,y)
+function touchUp.mg_UTTT(_,x,y)
+	mouseDown.mg_UTTT(x,y)
 end
 
-function mouseMove.UTTT(x,y)
+function mouseMove.mg_UTTT(x,y)
 	x,y=int((x-280)/80),int(y/80)
 	curX,curx=int(x/3)+int(y/3)*3+1,x%3+y%3*3+1
 	if
@@ -241,12 +241,12 @@ function mouseMove.UTTT(x,y)
 	end
 end
 
-function mouseDown.UTTT(x,y)
-	mouseMove.UTTT(x,y)
+function mouseDown.mg_UTTT(x,y)
+	mouseMove.mg_UTTT(x,y)
 	if curX then place(curX,curx)end
 end
 
-WIDGET.init("UTTT",{
+WIDGET.init("mg_UTTT",{
 	WIDGET.newButton({name="reset",x=1140,y=540,w=170,h=80,font=40,color="lGreen",code=restart}),
 	WIDGET.newButton({name="back",x=1140,y=640,w=170,h=80,font=40,code=WIDGET.lnk_BACK}),
 })
\ No newline at end of file
diff --git a/parts/scenes/pong.lua b/parts/scenes/mg_pong.lua
similarity index 92%
rename from parts/scenes/pong.lua
rename to parts/scenes/mg_pong.lua
index b75187ea..45a0b89a 100644
--- a/parts/scenes/pong.lua
+++ b/parts/scenes/mg_pong.lua
@@ -5,7 +5,7 @@ local abs=math.abs
 local max,min=math.max,math.min
 local rnd=math.random
 
-function sceneInit.pong()
+function sceneInit.mg_pong()
 	BG.set("none")
 	BGM.play("way")
 	sceneTemp={
@@ -35,7 +35,7 @@ local function start()
 	sceneTemp.vx=rnd()>.5 and 6 or -6
 	sceneTemp.vy=rnd()*6-3
 end
-function keyDown.pong(key)
+function keyDown.mg_pong(key)
 	local S=sceneTemp
 	if key=="space"then
 		if S.state==0 then
@@ -55,21 +55,21 @@ function keyDown.pong(key)
 		SCN.back()
 	end
 end
-function touchDown.pong(id,x,y)
-	touchMove.pong(id,x,y)
+function touchDown.mg_pong(id,x,y)
+	touchMove.mg_pong(id,x,y)
 	if sceneTemp.state==0 then
 		start()
 	end
 end
-function touchMove.pong(_,x,y)
+function touchMove.mg_pong(_,x,y)
 	sceneTemp[x<640 and"p1"or"p2"].y0=y
 end
-function mouseMove.pong(x,y)
+function mouseMove.mg_pong(x,y)
 	sceneTemp[x<640 and"p1"or"p2"].y0=y
 end
 
 --Rect Area X:150~1130 Y:20~700
-function Tmr.pong()
+function Tmr.mg_pong()
 	local S=sceneTemp
 
 	--Update pads
@@ -146,7 +146,7 @@ function Tmr.pong()
 	S.x,S.y,S.vx,S.vy,S.ry=x,y,vx,vy,ry
 end
 
-function Pnt.pong()
+function Pnt.mg_pong()
 	local S=sceneTemp
 
 	--Draw score
@@ -174,7 +174,7 @@ function Pnt.pong()
 	gc.rectangle("fill",1130,S.p2.y-50,20,100)
 end
 
-WIDGET.init("pong",{
+WIDGET.init("mg_pong",{
 	WIDGET.newKey({name="reset",x=640,y=45,w=150,h=50,font=35,code=WIDGET.lnk_pressKey("r")}),
 	WIDGET.newKey({name="back",x=640,y=675,w=150,h=50,font=35,code=WIDGET.lnk_BACK}),
 })
\ No newline at end of file
diff --git a/parts/scenes/schulte_G.lua b/parts/scenes/mg_schulteG.lua
similarity index 94%
rename from parts/scenes/schulte_G.lua
rename to parts/scenes/mg_schulteG.lua
index b3cc73d5..06fe5b29 100644
--- a/parts/scenes/schulte_G.lua
+++ b/parts/scenes/mg_schulteG.lua
@@ -10,7 +10,7 @@ local rnd=math.random
 local format=string.format
 local rem=table.remove
 
-function sceneInit.schulte_G()
+function sceneInit.mg_schulteG()
 	BGM.play("way")
 	sceneTemp={
 		board={},
@@ -73,13 +73,13 @@ local function tapBoard(x,y)
 	end
 end
 
-function mouseDown.schulte_G(x,y)
+function mouseDown.mg_schulteG(x,y)
 	tapBoard(x,y)
 end
-function touchDown.schulte_G(_,x,y)
+function touchDown.mg_schulteG(_,x,y)
 	tapBoard(x,y)
 end
-function keyDown.schulte_G(key)
+function keyDown.mg_schulteG(key)
 	local S=sceneTemp
 	if key=="z"or key=="x"then
 		love.mousepressed(ms.getPosition())
@@ -112,14 +112,14 @@ function keyDown.schulte_G(key)
 	end
 end
 
-function Tmr.schulte_G()
+function Tmr.mg_schulteG()
 	local S=sceneTemp
 	if S.state==1 then
 		S.time=Timer()-S.startTime+S.error
 	end
 end
 
-function Pnt.schulte_G()
+function Pnt.mg_schulteG()
 	local S=sceneTemp
 
 	setFont(40)
@@ -171,7 +171,7 @@ function Pnt.schulte_G()
 	end
 end
 
-WIDGET.init("schulte_G",{
+WIDGET.init("mg_schulteG",{
 	WIDGET.newButton({name="reset",		x=160,y=100,w=180,h=100,color="lGreen",font=40,code=WIDGET.lnk_pressKey("space"),hide=function()return sceneTemp.state==0 end}),
 	WIDGET.newSlider({name="rank",		x=130,y=250,w=150,unit=3,show=false,font=40,disp=function()return sceneTemp.rank-3 end,code=function(v)sceneTemp.rank=v+3 end,hide=function()return sceneTemp.state>0 end}),
 	WIDGET.newSwitch({name="blind",		x=240,y=330,w=60,					font=40,disp=WIDGET.lnk_STPval("blind"),	code=WIDGET.lnk_pressKey("q"),hide=WIDGET.lnk_STPeq("state",1)}),
diff --git a/parts/scenes/minigame.lua b/parts/scenes/minigame.lua
index 0e18c559..ec1b35bb 100644
--- a/parts/scenes/minigame.lua
+++ b/parts/scenes/minigame.lua
@@ -3,10 +3,10 @@ function sceneInit.minigame()
 end
 
 WIDGET.init("minigame",{
-	WIDGET.newButton({name="p15",		x=240,	y=250,w=350,h=120,font=40,code=WIDGET.lnk_goScene("p15")}),
-	WIDGET.newButton({name="schulte_G",	x=640,	y=250,w=350,h=120,font=40,code=WIDGET.lnk_goScene("schulte_G")}),
-	WIDGET.newButton({name="pong",		x=1040,	y=250,w=350,h=120,font=40,code=WIDGET.lnk_goScene("pong")}),
-	WIDGET.newButton({name="AtoZ",		x=240,	y=400,w=350,h=120,font=40,code=WIDGET.lnk_goScene("AtoZ")}),
-	WIDGET.newButton({name="UTTT",		x=640,	y=400,w=350,h=120,font=30,code=WIDGET.lnk_goScene("UTTT")}),
+	WIDGET.newButton({name="15p",		x=240,	y=250,w=350,h=120,font=40,code=WIDGET.lnk_goScene("mg_15p")}),
+	WIDGET.newButton({name="schulteG",	x=640,	y=250,w=350,h=120,font=40,code=WIDGET.lnk_goScene("mg_schulteG")}),
+	WIDGET.newButton({name="pong",		x=1040,	y=250,w=350,h=120,font=40,code=WIDGET.lnk_goScene("mg_pong")}),
+	WIDGET.newButton({name="AtoZ",		x=240,	y=400,w=350,h=120,font=40,code=WIDGET.lnk_goScene("mg_AtoZ")}),
+	WIDGET.newButton({name="UTTT",		x=640,	y=400,w=350,h=120,font=30,code=WIDGET.lnk_goScene("mg_UTTT")}),
 	WIDGET.newButton({name="back",		x=1140,	y=640,w=170,h=80,font=40,code=WIDGET.lnk_BACK}),
 })
\ No newline at end of file