Check it out here:
xilehpnw.itch.io/gizmo-and-th...

In actual levels there is no text, and all in level mechanics are pretty intuitive. There will be npc's you can talk to in the overworld though. I require a few different difficult movement options pretty early in the game though. So these pop ups in a quick 2 minute tutorial are pretty necessary.

It's on a timer. It will start 1 second after you enter the area then it's every 3 seconds.

I feel pretty similar with mine but I feel that making a solid 3D platformer should come before trying to innovate on it. I have plenty of ideas that haven't been done, but I think its a better idea to make an unoriginal one first then move on once you've established your base. It's okay if it fails