6600

I just bought a new 6600 for myself...now I have a few questions about my phone...I hope that someone can help...thanks... How or where can I downoad external chinese software for 6600? How to extend the video recorder's length?....(I am not asking for the unlimited video record since it has no audio....I am searching for a software with length at least 5 minutes or longer?...and with audio) It is better to have a free download of those softwares I am searching for...wish that someone can help me and explain in details on how to download and install to my phone....thanks..!!