Oilist - The groundbreaking generational art app
Sing! Karaoke by Smule - Karaoke with your favorite celebrity singers
A Color Story - The photo app to colourize your life
Karaoke Online - Karaoke Online: Sing & Record developed and published by Aloha Std.
Snap Photo Editor - Snap Photo Editor – Collage Maker & Pic Editor created and published by CVInfotech for Android and iOS devices.
PhotoGrid - Picsart removed a lot of grid options from its collage feature, and limited the amount of pictures to 10. While this app is inferior to Picsarts quality, it lets you choose max 15 pictures and has numerous layouts.