Checkout the latest update to Ninja Eggs. In this update, I've added a "minigames"  level (my 9 year old grandson's idea). So far it contains 2 games: Flappy Egg (a Flappy Bird clone) and Ninjaroids (an Asteroids clone). 

https://midniteoilsoftware.itch.io/ninja-eggs/devlog/332140/ninja-eggs-minigames...

Ninja Eggs is available fore free on the Apple App Store and  Google Play. 

You can also play in your Browser right here on itch.io.