How to trim video?
How to adjust video speed?
How to change grids play order?
How to add present animations?
How to lock/hide layers?
How to full screen preview?
How to add photo/video to track?
How to add music?
How to mute all videos, musics?
How to set animation for grid?
How to set animation for sticker?
How to add logo?
How to remove logo?
How to select track item?