A free app for Android, by SigmaCode Tech..

Video Joiner and Video Merger is a simple video merger app that lets you combine any number of videos into one big video. It uses an advanced deep-learning algorithm to merge two or more videos together so that you can readily share them on different social media platforms. This app accepts practically all video formats as input and outputs various formats such as mp4, mkv, mov, and others. This app helps you to split or merge videos on your smartphone in an easy way without any disturbance or error to create a new video file of your required format without losing quality. It is free to download, and you may expect the resulting video clip to have no watermark.