README improvement

README.md

@@ -1 +1,24 @@
-# PAPAYA
+# PAPAYA
+This repository contains the source code of the PAPAYA project (Privacy leakages from ApP trAjectorY dAta). This project aims to raise awareness about the location data gathered by the applications installed in an Android smartphone and show that data inside the application.
+
+The software is **under development** and not every feature is yet developed.
+
+# Download
+[<img src="https://play.google.com/intl/en_us/badges/images/generic/en_badge_web_generic.png" alt="Get it on Google Play" height="80" />](https://play.google.com/store/apps/details?id=com.wnluc3m.papaya)
+
+# Features
+
+ - Completely Open Source without non-free dependencies like Google Services
+ - Performance optimized to minimize the impact in battery life
+ - Internal database to store data
+ - Visualization of gathered data in a map
+ - Android 5.0 through Android 8.0+ support
+ - Material Design
+
+# Support
+If you have any bug to report, suggestions or questios about the software and/or the project, please open an issue.
+
+# License
+This project is licensed under the GNU GPL v3 license. You can grab a copy at [LICENSE.md](LICENSE).
+
+This project has been funded by the [Data Transparency Lab])(https://datatransparencylab.org/) Research Grants Program.