GAS Animation Studio is pretty easy to make an animate file (animated gif) and video file (.mp4, no audio) from your photos/images.
Simple and Easy to use.
You can make an animation with effects such as a slide and alpha-blending and text(subtitle, speech bubbles).

Enjoy~

-----[NOTE]-----
- Scene: double-touch to move, long-touch to edit the information
- Frame: double-touch to move
- FX and Text(subtitle) Scene/Frame: double-touch to move(Scene only), long-touch to edit the information
- FX will affect when exporting
-
- Support what create a video on Android 4.3 or higher.
- Thus, if you want to buy this App, should check this out in FREE version first.