iCaffeine for Android uses binaural tones to influence the brainwaves to produce different types of benefits such as relaxation, awakeness, pain relief, arousal, drowsiness, or concentration. Please read carefully before using this app.FEATURES- One 10min session for energy boost and awakeness- Option to play sounds with screen turned offRULES / TIPS1. Listen to the complete session with a good pair of stereo headphones in a quiet and comfortable place with slightly dim lighting.2. Avoid any possible distractions or interruptions such as phone calls. Always listen from the beginning to the end.3. Wait a few hours before you start a new session of listening to binaural tones, regardless of the previous session being either completed or interrupted.4. Do not operate heavy machinery or any type of vehicle under influence of this app.IS THIS APP SAFE TO USE?Of course! Binaural tones are carefully designed by experts, and the effectiveness has been repeatedly reported by many neurophysiologists around the world since its first reported discovery in 1839 by Heinrich Wilhelm Dove. You may refer to wikipedia for the scientific background of "Binaural Beats".DISCLAIMER- Do not use this app to replace doctors preion or if you have any medical conditions.- The developer makes no psychological, medical, or otherwise, guarantees that listeners will benefit from the binaural tones and/or experience the effectiveness. Personal entertainment purposes only.