diff --git a/README.md b/README.md
index aa47705..86b186e 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,12 @@ It also does neither include advertisement nor tracking mechanisms.
As it is part of the Privacy Friendly Apps developed by the SECUSO research group of the Technische
Universtität Darmstadt in Germany it is optimized due to user's privacy.
-
## Download and more Information
+[](https://f-droid.org/repository/browse/?fdfilter=sudoku&fdid=org.secuso.privacyfriendlysudoku)
+
+### Building
+
Further development requires Android Studio, we recommend to use at least version 2.2.3
### API Reference