diff --git a/index.js b/index.js
new file mode 100644
index 0000000..08b7a78
--- /dev/null
+++ b/index.js
@@ -0,0 +1,127 @@
+import brightness from '@system.brightness';
+let numbers,newNumbers;
+export default{
+    data:{
+        score:0,
+        best:0,
+        tiles:[],
+        isShow:false,
+    },
+    onInit() {
+        this.isShow=false;
+        this.score=0;
+        this.tiles=[{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""},{text:""}];
+        numbers=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
+        newNumbers=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
+        this.supplyNumber();
+        this.supplyNumber();
+        this.updateView();
+        brightness.setKeepScreenOn({keepScreenOn: true,});
+        brightness.setMode({mode: 1,});
+    },
+    supplyNumber(){
+        let positions=[];
+        for(let i=0;i<=15;i++){
+            if(!newNumbers[i]) positions.push(i);
+        }
+        let h=Math.floor(Math.random()*positions.length);
+        if (Math.random()<=0.8){
+            newNumbers[positions[h]]=2;
+        }else{
+            newNumbers[positions[h]]=4;
+        }
+    },
+    onSwipe(e) {
+        newNumbers=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
+        let start=0,differ=0,step=0;
+        switch(e.direction){
+            case 'left':
+                start=0;
+                differ=1;
+                step=4;
+                break;
+            case 'right':
+                start=3;
+                differ=-1;
+                step=4;
+                break;
+            case 'up':
+                start=0;
+                differ=4;
+                step=1;
+                break;
+            case 'down':
+                start=12;
+                differ=-4;
+                step=1;
+                break;
+        }
+        let ids;
+        for (let j=0;j<=3;j++){
+            ids=this.getIds(start, differ);
+            let before=null;
+            let noZeros=0;
+            for(let k=0;k<=3;k++){
+                let id=ids[k];
+                let number=numbers[id];
+                if (number!=0){
+                    if(number==before){
+                        this.score+=number*2;
+                        newNumbers[ids[noZeros-1]]*=2;
+                        before=null;
+                    }else{
+                        newNumbers[ids[noZeros]]=number;
+                        before=number;
+                        noZeros+=1;
+                    }
+                }
+            }
+            start+=step;
+        }
+        if(this.best>=this.score){
+            this.best=this.best;
+        }else{
+            this.best=this.score;}
+        if(numbers.toString()!=newNumbers.toString()){
+            this.supplyNumber();
+            this.updateView();
+            newNumbers=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];
+            if(this.isGameOver()==true){this.isShow=true;}
+        }
+    },
+    getIds(start, differ){
+        let ids=[];
+        for (let z=4;z>=1;z--){
+            ids.push(start);
+            start+=differ;
+        }
+        return ids;
+    },
+    updateView() {
+        for (let x=0;x<=15;x++) {
+            if (newNumbers[x]!=0){
+                this.tiles[x].text=newNumbers[x].toString();
+            }else{
+                this.tiles[x].text="";
+            }
+        }
+        numbers=newNumbers;
+    },
+    isGameOver(){
+        if(this.isGridsFull()==true && this.isGridsNotMergeable()==true) return true;
+    },
+    isGridsFull(){
+        if(numbers.indexOf(0)==-1){return true;}
+    },
+    isGridsNotMergeable(){
+        for(let l=0;l<=15;l++){
+            if(l<=14){
+                if(numbers[l]==numbers[l+1]&&(l+1)%4!=0) return false;
+            }
+            if(l<=11){
+                if(numbers[l]==numbers[l+4]) return false;
+            }
+        }
+        return true;
+    },
+}