Add cache feature so it can play your favorite song offline. If you see your favorite song, just click on add sign. Then click on bookmark icon and select playlist. It will play all your favorite songs that you just add to the list. If you want to remove it from the list, just click on edit playlist where you can delete. Plus it has voice recognition where you tell the application to play a certain song. For example, you can say "My love". It will play all my "Love song". Plus it has core data to store song information on your phone so you won't download it from Internet all the time. It will download one when you launch the app.

~Khmer.org