Tobu Tobu Girl Deluxe by Tangram Games

Your cat is floating into the atmosphere and you are the only one who can save it. Jump, dash, and flap your arms to maneuver around perilous obstacles racing against the clock to retrieve your pet friend before it is too late!
Tobu Tobu Girl is a fun and challenging arcade platformer developed by Tangram Games featuring an original soundtrack by potato-tan.
Tobu Tobu Girl Deluxe is a new and enhanced version of the original featuring improved, full-color graphics and is fully compatible with the Game Boy, Game Boy Color, and Super Game Boy.
Tobu Tobu Girl Deluxe is open source and completely free to download.

Bounce on enemies to move upwards.

Dash in one of eight directions to move quickly.

Flap your arms to boost upwards. Uses energy.

Dash down into enemies to recharge energy.