Company GSD1 LLC created these great apps:
Pic-it Collage - Photo Collage Maker and Editor, Photo Editor by GSD1, InstaResizeIt, Build-it Pic Collage - Customizable Photo Collage Maker and Editor, Drawing It, PicVidCollage-CollageMaker, PicVidCollage - CollageMaker for iPad, SwingWithUs, and others..