Improve readme

README.md

@@ -1,14 +1,45 @@
-# Gotify Android [![Build Status][badge-travis]][travis]
+# Gotify Android [![Build Status][travis-badge]][travis] [![FOSSA Status][fossa-badge]][fossa] [![latest release version][release-badge]][release] [![F-Droid][fdroid-badge]][fdroid]
 
-![gotify gif](app.gif)
+<img align="right" src="app.gif" width="250" />
+
+Gotify Android connects to [gotify/server](https://github.com/gotify/server) and shows push notifications on new messages.
+
+## Features
+
+* show push notifications on new messages
+* view and delete messages
+
+## Installation
+
+Download the apk or get the app via F-Droid or Google Play.
 
 [<img src="https://play.google.com/intl/en_gb/badges/images/generic/en_badge_web_generic.png" alt="Get it on Google Play" width="150" />][playstore]
 [<img src="https://f-droid.org/badge/get-it-on.png" alt="Get it on F-Droid" width="150"/>][fdroid]
+[<img src="download-badge.png" alt="Get it on F-Droid" width="150"/>][release]
 
 Google Play and the Google Play logo are trademarks of Google LLC.
 
- [badge-travis]: https://travis-ci.org/gotify/android.svg?branch=master
+## Building
+
+Execute the following command to build the apk.
+```bash
+$ ./gradlew build
+```
+
+## Versioning
+We use [SemVer](http://semver.org/) for versioning. For the versions available, see the
+[tags on this repository](https://github.com/gotify/android/tags).
+
+## License
+This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details
+
+ [travis-badge]: https://travis-ci.org/gotify/android.svg?branch=master
  [travis]: https://travis-ci.org/gotify/android
  [playstore]: https://play.google.com/store/apps/details?id=com.github.gotify
+ [fdroid-badge]: https://img.shields.io/f-droid/v/com.github.gotify.svg
  [fdroid]: https://f-droid.org/de/packages/com.github.gotify/
+ [fossa-badge]: https://app.fossa.io/api/projects/git%2Bgithub.com%2Fgotify%2Fandroid.svg?type=shield
+ [fossa]: https://app.fossa.io/projects/git%2Bgithub.com%2Fgotify%2Fandroid
+ [release-badge]: https://img.shields.io/github/release/gotify/android.svg
+ [release]: https://github.com/gotify/android/releases/latest