Simplify the following text for a Grade 9 native English-speaking person.
Original: Still , most new games continue to be distributed via UMD , and , aside from those published by SCE , not all have been released on PlayStation Network .
Simplified: Although with the release of the PSP Go , most new games continue to be made via UMD , and , aside from those published by SCE , not all have been released on the PSN .