If you want to start producing videos with a spark of ingenuity, or if you want to inject a touch of drama into your posts, then you might want to consider experimenting with the speed aspect.

Video Speed Changer by photoshop mobile apps is the best editor in the market to help you achieve this - without complicated controls and functions. You can apply either the slow motion effect or the fast one in POST - with the use of this app. You can easily apply either of the two multiple times in the same video... there really is no limit nor rule to your creativity, to your vision.

Other special features include: the ability to preview the project before export, background processing, various formats are supported, and so much more.