If you want a pro app to edit your videos and media files shot with your phone, then the Video slideshow is the best. It has almost all the editing functionalities you’d need.It allows you not only to create a slideshow of your media files such as images, pictures and soundtracks, but also to do some basic editing such as trimming/merging/cropping/rotating videos and add background music or voiceovers to videos. And there are cool special effects available in the APP, such as overlay and filter