Open Sampler is a free, Android-based multimedia application developed by Cherry Tree Studio. This app allows users to play custom sounds using configurable pads. With support for various audio formats such as wav, mp3, and ogg, the app enables users to create unique sounds by dragging and dropping audio files onto the pads.

Users can save and restore their projects, making it easy to continue working on their sound creations later. The app also provides the option to configure the number of pads, their colors, and captions. Users can adjust the volume and play modes for each pad, allowing for more control over the sound output.

Overall, Open Sampler is a user-friendly app that provides a simple and intuitive interface for creating custom sounds. It is perfect for musicians, sound designers, and anyone who wants to experiment with audio.