Abstract Expressionism iPhone Style

One of my favorite photographers has begun using her iphone in a most creative way. I love the Abstract Expressionist school of painting and Katrina Pruett's latest work reminds me of that.

For apps, here's what she used. Snapseed, Touch Retouch to eliminate scratches, ProHDR and Photogene for framing.  On photo #3, she used Glaze for texture.   Enjoy!

With this art experiment, she went all out. She used a collage app, among her usual favorites. Can you guess which one? Which collage app is your favorite?