Here you can find a list of supported and verified applications which can be used with Sundtek MediaTV HD ATSC:
Analogue TV, Composite, S-Video:
radio (from the xawtv package)
* mediaclient (comes with the linux driver)
* capturing is supported by eg. cat /dev/radio0 | lame - capture.mp3
The list of supported applications is still growing and the driver will be further optimized in order to optimally support most TV applications. If something doesn't work please report it here so we can find a solution for it.