Kiwisingers instructions are good if just playing direct without importing, If you want them included in the search database use the following.
Select the Import songs Menu, from the next dialog select (Index Song Files) from the files type select KMH then the Video button, further instructions are shown in the left panel.
If you don’t see your MP4 files listed in the browser window make sure the Files of type box is showing All Videos or mp4, if not use the dropdown arrow to choose, press Select button.
Check the appropriate buttons for Hide & Subfolders. Make the define field order match the file name then press Add files to populate the lower Window. Check that the fields are showing in the correct columns, if a karaoke mp4 is being imported tick the video with lyrics box.
Finally Tick the select boxes and Press the Index Files Button.
If you buy them from via the Buy songs Menu/PartyTyme.net then they auto index, no further action needed.
Note You will only be able to play Video type files if you have the Appropriate Codecs installed.
This is from the Manuel:
You need to install Video Codecs on your computer to beable to play different types of Video files in Hoster.
Download the Video Codec Pack from:
HERE
Make sure that you click on where it states: Download [K-Lite Mega Codec Pack X.xx] where X.xx is the version number.
Save this file to your computer and then double click on it to run it, Follow the onscreen instructions.
Once installed, you will be able to play video files in Hoster.