NinjaBoy

Really simple.

Why has no one ever thought of making a jumping game before?

A good start. Gameplay is not original but a good premise and the artwork is nice. The background needs to change as the game progresses, and there need to be upgrades (like double-jump) or different challenges to keep you playing.

It's made not bad if it's one of your first games to be made. I will note it gets a little glitchy if you land against a corner. You should add more content in the future.

Game gave an positive on Avast.