RollaMarble is a free arcade game developed by Etrurian Games for Android 9.0 users. The game has two modes: play-mode and pause-mode. In play-mode, you need to collect a certain number of crystals scattered around the map before the timeout. In pause-mode, you can edit tile square pillars. To complete each level, you must collect all the gems and escort the little marble into the blue den before time runs out.

RollaMarble features infinite levels, and you can control your marble using the accelerometer or touch controls. If you find the first level challenging, you can tap the "light bulb" button to watch a video solution. Overall, RollaMarble is a fun and challenging game that will keep you entertained for hours.