The sample/midi tracker based on the LittlesoundDJ interface has hit version 1.1. Aside from the quick and robust PSP port, there are a number of new features, like tap tempo, and a screen map.
Grab it here
And then head over and get invovled in the PSPSEQ vs. LGPT Compo starting over at 8BC.
If you need help, there are brand new TOOTS for your check out.
LittleGPTracker Tutorial Pt.1 – Basics from Marc Nostromo on Vimeo.