Huan Le Tao Qi Shu - Smart Mouse (China) (Unl) is a Chinese-released Sega Genesis game, with the 'Unl' designation possibly referring to an unlocked or unlimited version. 'Huan Le Tao Qi Shu' translates to something along the lines of 'Happy Mouse'. Further information is needed to provide details on the gameplay, genre, and the company behind it.  The game is likely a puzzle or platformer, given the title and the typical game genres for the Genesis.

Huan Le Tao Qi Shu - Smart Mouse (China) (Unl)

Homing attack and jumpdash in Sonic 2