What types of apps are you missing from the FOSS ecosystem?

Missing from the F-Droid ecosystem: Beauty Camera. Perhaps you could fork Fossify Camera Beta | F-Droid - Free and Open Source Android App Repository to integrate GPUPixel > GPUPixel is a high-performance, cross-platform real-time image and video filter library with a small footprint. Built with C++11 and OpenGL/ES, it provides beauty filters and supports iOS, Android, Mac, Windows, and Linux—compatible with any OpenGL/ES platform. * The camera records videos with the beauty filter applied in real time, eliminating the need for post-processing. GPUPixel is a perfect alternative to the privacy-invading beauty camera apps listed below. > These apps collect users’ facial data. > B612 > YouCam Perfect > Wuta Camera > Wink: Video Enhancer