diff --git a/README.md b/README.md
index 8f8413c..e94c303 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,11 @@
-Client BLE
-==========
+ Client BLE
+=======================================================================
**Code from [https://github.com/googlesamples/android-BluetoothLeGatt](https://github.com/googlesamples/android-BluetoothLeGatt)
modified by Lucile Mitermite and Louis-Guillaume Dubois, working for CentraleSupélec.**
+**[Download APK](https://framadrop.org/r/KrqBNGm171#HsD5HoBn47/uLTukC1bZ+9/bbMe0BgJpG1NttgceKIM=)**
+
Introduction
------------