Puzzle on a Picture with Multiple Devices:
Dashboard (tested on 7 july 2015, then it did not work)
Github Page
https://github.com/Noterik/smt_puzzleapp
Instructions on use demo version
If the Player Consoles (phones) show a white screen with only a date, there are to many (second) screens open already.
In that case you need to reset the game by reloading the main screen, after that reload player consoles