MCScratchImageView - A custom ImageView that is made use of to protect the surface of other watch like a scratch card, consumer can swipe the mulch to see the watch below. Periscope VideoViewController - Video watch controller with Periscope rapidly rewind handle. VideoPager - Paging Video UI, and some regulate components is accessible. MWPhotoBrowser - A very simple iOS photo and online video browser with grid see, captions and selections.