update readme

Author: boyan01

README.md

@@ -1,7 +1,29 @@
-# flutter-tetris
+#### English introduction
 
-a tetris game powered by flutter
+Please view [README_EN](https://github.com/boyan01/flutter-tetris/blob/master/README_EN.md)
 
-## Getting Started
+# Flutter俄罗斯方块
 
-This project is a starting point for a Flutter application.
+使用Flutter开发的俄罗斯方块游戏。
+
+参考来源于 [vue-tetris](https://github.com/Binaryify/vue-tetris) 。
+
+## 如何开始
+
+* 自行编译
+
+  安装[Flutter](https://flutter.io/docs/get-started/install)
+
+  在命令行输入：`flutter run --profile`
+
+* 前往[Release](https://github.com/boyan01/flutter-tetris/releases) 下载 Apk 包 （仅限Android）
+
+## 效果预览
+
+![效果预览](./_preview/game_gif.gif)
+
+
+
+## 其他
+
+MIT协议

README_EN.md

@@ -0,0 +1,26 @@
+#### 中文介绍
+
+请前往 [README](https://github.com/boyan01/flutter-tetris/blob/master/README.md)
+# flutter-tetris
+
+a tetris game powered by flutter.
+
+Inspired by [vue-tetris](https://github.com/Binaryify/vue-tetris).
+
+## Getting Started
+
+* Compile by yourself
+
+  install [Flutter](https://flutter.io/docs/get-started/install)
+
+  run in Command Line：`flutter run --profile`
+
+* download Apk file at page (https://github.com/boyan01/flutter-tetris/releases)（for Android only)
+
+## Preview
+
+![preview](./_preview/game_gif.gif)
+
+## Other
+
+MIT License