OSM is a mobile client for your HostJ2ME.com account. You can use it to:
1) Upload files from your phone to HostJ2ME.com
2) Browse files in your HostJ2ME.com account
3) Browse shared files from other people on HostJ2ME.com
4) Search HostJ2ME.com and the web for media
5) Upload photos from your phone's camera
This is the beta version. The client is still in development. You are welcome to download and try it out.