Hasn't here been few of those already eg [1][2]?

1: https://github.com/a-ghorbani/pocketpal-ai

2: https://github.com/shubham0204/SmolChat-Android

i don't think they do image gen etc? You can almost think of Off Grid like an on-device assistant. It'll handle everything like vision, and attachments too. We're still early stages and lots of optimizations to do, but we'll get there.