Brainwave Tuner for Android is a brain wave stimulation application that generates tones with binaural beats, which can change your brain frequency towards the desired state, be it relaxation or enhanced attention. 6 of 16 Preset Sound Patterns are included in Brainwave Tuner Lite: Headache Therapy: Helps alleviating headaches with mix of steady low tones. Meditation: Helps attaining a meditative state of mind quickly. The effect will be better with no noise background or other special effects. Schumann Resonance: Helps meditating with a steady 7.83Hz tone. This is the resonance frequency of the Earth's magnetic field, making it a very natural meditation frequency. Sleep Induction: Gently moves the brain frequency down to 3Hz, with a fadeout at the end. Relaxation: Helps to relax with a basic sweep from regular beta activity (15Hz) down to 7Hz. The end of the sweep is emphasized slightly with a louder volume. Self-hypnosis: help getting into a self-hypnotic state. The user should listen to the repeating sound and concentrate on it. The key to successful self-hypnosis is in being able to concentrate on the sound.