aaww, I already replied to u by PM, what is it, dont u read my messages??? To install apps (unsigned ones) u need to sign them before installing, here is a tutorial http://redpepper007.ucoz.com/news/2008-12-29-27
and
hacking tutorial - http://redpepper007.ucoz.com/news/2009-02-02-62
ngage tutorial - http://redpepper007.ucoz.com/news/2008-11-13-7