This player is very nice.

Easy and convenient to use. Lots of options to enhance the video or audio (in realtime) in case your source is not perfect, including many different aspect ratios and even tweaking the playback speed.

The video-out option worked great with my iPhone-to-RCA cable.

Battery usage seems good. I watched 4 hours of movies on the plane and still had 54% of battery left.

Using this app on my iPhone 4. Im betting a lot of the problems the other reviewers are having is due to the creation/encoding of their movie files. Ive had no trouble with this app. :)

Linus DaMinus about TTPlayer - The Cinema In My Pocket