Rube is a doodling app on Chromecast or multiple connected devices.
Features:
* Cooperative doodling over bluetooth
* Cast your doodle on TV
* Game board generator for Sudoku, Loop-d-loop and Word search
* Multiple books support to keep your useless doodles organized
* Draw emojis on KitKat and later devices
* Write text using 200 fonts (powered by Google fonts)
* Auto save and infinite undo
* No ads (for now :D)
Note the app required external storage permission to store the images/notes