You're given full creative control over your favorite IP, no matter if it's dead or not...

or
or

All of those could work on mobile out of the box.

Okay, let's take Mega Man, give it its natural aspect ratio so the buttons on the screen don't cover up the gameplay.

Take some cues from mega Maker and make the weapons ahve various interesting ultility purposes to bypass certain parts of levels or access secrets, akin to stuff like the Super Adapter.

Inveset a lot of money on making great music and then let's get a bunch of researchers in there to try to develop the most interesting and dynamic bosses we can. I'm talking let's get people to talk about these boss fights like they do Dark Souls.

eliminate lives. You can leave a level whenever you feel overwhelmed, but if you do, you got to start from the beginning next time you try it. challenge comes not from being punished for failing over and over, but from being able to figure things out to progress.

I actually feel kinda odd about my favorite IP (Xenogears/Saga) because all the criticisms against it are 100% true, but that doesn't stop me.

If I had a choice of what to force onto mobile, probably LittleBigPlanet: the console games were already extremely microtransaction friendly, and making users buy new editor features (full 3D, Graffiti Kingdom style customization) one by one would drown me in shekels.

So, Diablo: The Hell mod with a visual upgrade?