Update README.md

README.md

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 ![Paste_Image.png](http://upload-images.jianshu.io/upload_images/972352-1d77e0a75a4a7c0a.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)  
 Powerful and flexible RecyclerAdapter 
 Please feel free to use this.(Love can be a **Star**)
+## Goolge Play Demo
+
+[![Get it on Google Play](https://developer.android.com/images/brand/en_generic_rgb_wo_60.png)](https://play.google.com/store/apps/details?id=com.chad.baserecyclerviewadapterhelper)
 #Features（[download apk](https://github.com/CymChad/BaseRecyclerViewAdapterHelper/raw/master/demo_res/demo.apk)）
 - **Reduce lot of code.easily create RecyclerAdapter**
 - **add item click and add item long click**