I personally would have like to see a good mp3/flac player which can scrobble music to last.fm and a GBA emulator would be pretty cool too so I don't have to buy a flashcard for my SP.
edit by Cyan:
Now that Ninjhax and Homebrew launcher is released, I renamed the thread from:
"Which homebrew apps would you like to see when smealum releases his exploit?"
Please use this thread to suggest, request (even if there's very little chance that a developer accept to do it) or...
Post Homebrew ideas, suggestion, requests here
edit by Cyan:
Now that Ninjhax and Homebrew launcher is released, I renamed the thread from:
"Which homebrew apps would you like to see when smealum releases his exploit?"
Please use this thread to suggest, request (even if there's very little chance that a developer accept to do it) or...
Post Homebrew ideas, suggestion, requests here