1. Transfer your your KAR files into E:/My Songs (Folder will be created after apps installation or you can create one).
2. You can even include sub folders if you wish eg. E:My SongsKaraoke 0-A.
3. Just make sure you have unzip them though.
4. On the main screen, move your cursor to E:My Songs and press the
right navigation key. You will see the rest of the loaded sub folders
If you are using opera to download this songs, rename it after downloading, change .midi to .kar.