Synthesizer TB 303 Bassline, created by ROCKRELAY, is an Android music and radio application that emulates the original sounding engine of the famous Roland TB-303. The app offers a square and saw oscillator, a step sequencer, and MIDI support.

With the Synthesizer TB 303 Bassline, users can create their own music by adjusting the oscillators and step sequencer to achieve the desired sound. The app's interface is user-friendly, making it easy to navigate and adjust settings. MIDI support allows users to connect external devices and use them as a controller for the app.

Overall, Synthesizer TB 303 Bassline is a great choice for music enthusiasts who want to create their own music on the go. Its emulation of the Roland TB-303 engine produces high-quality sound, and the step sequencer and MIDI support make it a versatile tool for music creation.