real-time filter: the effect is applied to the movie while recording, no need to do post-processing after the film was created. So it is very simple to use, just like adding filters to a photo.

Lots of filters: more than 40 amazing filters for you to choose, such as HDR, sepia, black & white, vintage, time watermark, manga, warm, pop, van, monet, poster, prop, change background.

also : video adjustment filters: brightness, contrast, gamma correction, sharpen etc.

special dual camera features on supported devices:
dual Camera, dual magic, dual and change background.

Convenient to manage video files: you can easily play or delete all recorded videos. Also you can share video with WhatsApp, Tweet, Facebook, Instagram, YouTube, WeChat.

mostly free.

permission needed:
camera - to capture videos.
audio - for the videos.

tutorial:
https://www.youtube.com/watch?v=e9JCeh9G33M