Update README file

README.md

@@ -1,8 +1,8 @@
-# Music Player: From UI Proposal to Code
 [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-Music--Player-green.svg?style=true)](https://android-arsenal.com/details/3/3855)
 [![License Apache 2.0](https://img.shields.io/badge/License-Apache%202.0-blue.svg?style=true)](http://www.apache.org/licenses/LICENSE-2.0)
 ![minSdkVersion 21](https://img.shields.io/badge/minSdkVersion-21-red.svg?style=true)
 ![compileSdkVersion 24](https://img.shields.io/badge/compileSdkVersion-24-yellow.svg?style=true)
+# Music Player: From UI Proposal to Code
 
 [Transition](https://dribbble.com/shots/1850527-Music-Player-Transition) by [Anish Chandran](https://dribbble.com/anish_chandran) | Code by [André Mion](https://github.com/andremion)
 --- | --- | ---
@@ -12,7 +12,18 @@
 
 Read step by step how it was made at https://medium.com/@andremion/music-player-3a85864d6df7#.iklz50r6n
 
-### License
+## Libraries and tools used in the project
+
+* [Design Support Library](http://developer.android.com/intl/pt-br/tools/support-library/features.html#design)
+The Design package provides APIs to support adding material design components and patterns to your apps.
+* [MusicCoverView](https://github.com/andremion/Music-Cover-View)
+A Subclass of ImageView that 'morphs' into a circle shape and can rotates. Useful to be used as album cover in Music apps.
+* [RecyclerView](http://developer.android.com/intl/pt-br/reference/android/support/v7/widget/RecyclerView.html)
+A flexible view for providing a limited window into a large data set.
+* [PercentRelativeLayout](https://developer.android.com/reference/android/support/percent/PercentRelativeLayout.html)
+Subclass of RelativeLayout that supports percentage based dimensions and margins.
+
+## License
 
     Copyright 2016 André Mion
 

app/app.iml

@@ -112,7 +112,7 @@
       <excludeFolder url="file://$MODULE_DIR$/build/outputs" />
       <excludeFolder url="file://$MODULE_DIR$/build/tmp" />
     </content>
-    <orderEntry type="jdk" jdkName="Android API 24 Platform (1)" jdkType="Android SDK" />
+    <orderEntry type="jdk" jdkName="Android API 24 Platform" jdkType="Android SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" exported="" name="support-media-compat-24.2.0" level="project" />
     <orderEntry type="library" exported="" name="recyclerview-v7-24.2.0" level="project" />