Mumu - Ditch your macOS emoji picker
Percolator - Percolator: the always fun, supremely unique photo app that is sure to surprise you! FEATURES:
Signal - Fast, simple & secure messaging. Privacy that fits in your pocket.
AndreaMosaic - With AndreaMosaic you can create your own photographic mosaics made with your own pictures.
Fitbit Ace - Fitness fun for kids
WidsMob Montage - Make stunning mosaic photos or montage shape with tiles, which supports both JPEG and PNG files.