PlayBack is a free Android app developed by Kevin Gyllenberg that falls under the Multimedia category and subcategory of Music & Radio. This app allows you to record your voice and hear it back with a delay that you can set from 100 milliseconds up to 3 seconds.

Whether you want to practice a presentation, work on your accent, or sing on key, PlayBack is an excellent tool for you. You can set the delay time in the app's preferences and listen to yourself in real-time. Additionally, if you choose the option to save the file in the preferences, the app will save each recording to the Playback subdirectory of the Music directory on your sdcard.

Overall, PlayBack is a straightforward and easy-to-use app that provides a useful function for anyone looking to improve their vocal skills.