Voxtr is a Voice Recorder (aka Dictaphone) written in Java ME (former J2ME) and runs as a MIDlet. After an easy install on your mobile phone you can start recording voice snippets such as a reminder or a short memo. Never forget those hard to remember things
Vringo (Java) - Vringo is a video sharing community which allows you to find and create video ringtones (or Vringos) and then share them with your friends -- all on your phone. Use Vringo to find hot new video ringtones and get them on your phone.
You choose the clips you'd like your friends to see and they choose the clips they'd like you to see