updated README.md

README.md

@@ -1,4 +1,38 @@
-2048-Qt
-=======
+# 2048-Qt
 
 A clone of [2048](https://github.com/gabrielecirulli/2048), implemented in Qt.
+
+## Features
+
+- Cross platform
+  Currently tested on Windows and Linux. Should be able to run on Mac OS X or even Android and iOS.
+- Shipped with multiple variants
+  - 2048
+  - Degree (学位)
+  - Military Rank (军衔)
+  - PRC (天朝)
+- Multi-language support, currently
+  - English
+  - Chinese
+
+## Screenshots
+
+- Classical 2048
+  ![Screenshot of Classical 2048](http://i1171.photobucket.com/albums/r546/xiaoyong/2048_zps8b4bad15.png)
+
+- 2048 Degree
+  ![Screenshot of 2048 Degree](http://i1171.photobucket.com/albums/r546/xiaoyong/2048_degree_zpsb142af1f.png)
+
+## Downloads
+
+### Windows
+
+Check https://github.com/xiaoyong/2048-Qt/releases for compiled binary files. All required Qt libraries have been packed into one .exe file.
+
+### Linux
+
+The [bin/](https://github.com/xiaoyong/2048-Qt/tree/master/bin) directory contains the compiled binary file for 64-bit Linux. To run it, the Qt libraries (version >= 5.2.1) are required and should be installed on you system.
+
+## Todo
+
+- AI support