STEP 3: Download Sideloadly and install it. With just a few taps, retouch any selfie video for social media: from … Facetune Video is a video retouching app that transforms the look and style of your selfie videos. Facetune is not available for Mac but there are some alternatives that runs on macOS with similar functionality. There is no doubt that Facetune is one of the most well-known photo-editing apps for mobile devices. Change your background, beautify your face and discover hidden emoticons with these video chat tips.