I have this game on mobile and I got a 2:45 without any major time loses and I'm thinking mobile is slower. So, can there be be a separate category for mobile?

Id assume since its on a completely different platform it probably should. I would probably need to see a run for sure, but if it seems so, and considering pc and mobile would have different speeds in general, or the app could possibly be slower, a seperate category could definitely be an option.

but who runs mobile?

C'est exact