There are several ways to edit a video using your phone and you can do it by downloading free applications such as VidTrim which can help you crop your own video, Magisto which can help you stitch different videos together, add several transitions, and also add music of your own choice, HighlightCam Social which can help you create your own short movie, AndroMedia Video Editor which can help you trim your videos, add transition, add music, and add effects, Movie Aid which can help you add effects and can let you control the speed, Viddy which can help you add effects on your videos, and VideoGrade which can help you alter your own video’s brightness, color, hue, saturation and contrast.