Video Editor: Square Video is A Great App to create Square Size Video with Blur Background.

Video Editor: Square Video main features:
1) Real Time edit the video: You can edit the video and see the effect in real time.
2) Set blur background or color background.
3) Resize the video.
4) Flip and rotate the video to any orientation.
5) Mix with music from your device into video.
6) Photo collage function.