Avancée Video Effects
+ 15 Presets (ready made effects).
+ Ability to control the effect start/end times.
+ Fast and powerful transcoding engine.
+ Smart file selector (picker), with ability to use Android picker.
+ Effects+ support control of each color channel.
+ Video speed wizard, with ability to speed the video up-to x4, and slow it to 0.5.
+ Share and play the output video directly from the app with ease.
Effect+
https://www.youtube.com/watch?v=AGRahLDWzu8
Video Speed Wizard
https://www.youtube.com/watch?v=Uuxhv5j-VcY