If you are a beatmaker on the go, yes. Finding the opens up a world of creative sampling that rivals hardware gear from the 90s. The tactile nature of tapping slices on a glass screen is surprisingly addictive.
This is a grey area. The original developer released Flip Sampler as a paid or donation-ware product. However, because it has been abandoned on the Play Store, the music production community argues that archiving it via APK is . flip sampler android apk download