Kinemaster, is really master of video editing, About six months ago , I am download kinemater after watching YouTube videos, And really I love this app it's give amazing versatirty to edited videos , This app avalible on Android and iOS plots both, This is essentially, but you may be pay to remove watermark of kinemater, The working interface of this app is cleverly designed For user I left it gives action panel in which you find all the tools for uses,
The timeline is in bottom of the interface, Media panel is in large circle to the right, where you can import project, record voice over, created new layers with various types of overly, delete and selected clip and layer using this tools,
By this app iam edited fantastic video with uses of tools like colour adjustment , sliders grapping, rotation, opacity and they have also Croma key for uses
If you want to make simple animations , All the above tooles help you, You may be get animations setting on media panel to applied on layer and overly
Although this is most advance app avalible on Android and iOS stores