Add link to Android source code (#259)

* Add link to Android source code

Now that The Foundation have updated the source code of the Android app and started publishing to the Play Store we should put the Foundation link up here.

* Update bluetooth/apps-and-examples.md

Co-authored-by: Mark <[email protected]>

Author: jaustin

bluetooth/apps-and-examples.md

@@ -17,7 +17,7 @@ Below is a curated list of some Bluetooth applications you might like to read ab
 
 ## Applications, tools and examples
 
-- [Android App](https://play.google.com/store/apps/details?id=com.samsung.microbit) facilitates [pairing and flashing programs to the micro:bit](https://support.microbit.org/en/support/solutions/articles/19000051025-pairing-and-flashing-code-via-bluetooth)
+- [Android App](https://play.google.com/store/apps/details?id=com.samsung.microbit) facilitates [pairing and flashing programs to the micro:bit](https://support.microbit.org/en/support/solutions/articles/19000051025-pairing-and-flashing-code-via-bluetooth). The app was originally developed by Samsung and is now maintained by the Micro:bit Educational Foundation. The [micro:bit android app source code](https://github.com/microbit-foundation/microbit-android/) can be found on GitHub.
 
 - [iOS App](https://apps.apple.com/gb/app/micro-bit/id1092687276) faciliates [pairing and flashing programs to the micro:bit](https://support.microbit.org/en/support/solutions/articles/19000051025-pairing-and-flashing-code-via-bluetooth)