Hewlett-Packard (HP) Touchpad is now only $99(HP TouchPad Wi-Fi 16 GB 9.7-Inch Tablet Computer, HP Official). Comparing to Apple iPad2, HP TouchPad tablet are more worth buying even the application is not as many it in as Apple Store.
HP TouchPad tablet runs WebOS 3.0 which supports H2.64 with MP4，3GP，AVC，AVI, if you want to enjoy movies with other format, you should convert them into HP Touchpad supported format. Below is the step by step tutorial abou how to convert video to HP Touchpad. The tool you need is a video converter software, for example, Aimersoft Video Converter
Note: According to my experience, HP Touchpad's ability of playing video is not far behind iPad, some video formats (MKV,WVA, RMVB, etc.) above 720p sometimes can not be played smoothly.
Then click "Advanced" to set the detail parameter, HP TouchPad support the resolution up to 1024*768，
Click to trim video and set the start time & end time to get multiple clips according to your needs. Or click and you can crop the frame size, append effects, add picture/text watermark, or edit subtitle.
After the above preparation, click button to convert video. While converting video, you can preview the video and set the actions like shut down computer and open output folder when conversion completed.