Oekaki Sega Logic

Oekaki Sega Logic (お絵かきセガロジ) is a puzzle game developed by SEGA, released for the i-mode service on FOMA-compatible phones via the applet Puyo Puyo SEGA. The game features 25 puzzles based on SEGA's intellectual properties. The game received another version, called Shuukan Logic (週刊ロジック Weekly Logic) on September 2012, which as the name implies, was providing a new batch of puzzles every week.