Sing! Karaoke by Smule - Karaoke with your favorite celebrity singers
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.
Karaoke Online - Karaoke Online: Sing & Record developed and published by Aloha Std.
Vidstitch Frames for Instagram - Vidstitch Frames for the Instagram app provides features to help users in combining their favorite photos in a single frame after selecting the desired template to create a beautiful collage and enjoy all their favorite moments.
PicsArt Photo Editor + Collage - PicsArt Photo Editor + Collage contains features so users can show their creative skills to the outside world by creating awesome photo edits right on their mobile phone screen.
SingPlay - SingPlay Karaoke Your MP3s developed and published by NexStreaming Corp.