Identify searching for a certain game

[Nikius_456]

hey guys idk how is this done right, sorry. I'm searching for a certain game.

i don't remember it's name. but i remember this:
it was a side scroller.
the main character is a princess.
the game is available only for PC, windows and mac (maybe) i think, no linux, no android.

anyone knows the game?

thanks.