Jaroszlav Zseleznov

Cross train your brain with Erceptio - the fun way to test your perception and security observation skills! Erceptio trains you with real video and au …

Are you more creative or rational? Risk taker or not? Take this quiz to see if you favor your right or left brain. ★★★ Know your personality ★★★ We us …

Test your and your friend’s health with this app, run a catalog, share it. "Better health is not a science problem it's an information problem. We all …

The Hacker Test is a famous old purity test questionnaire, filled with computer-related jokes, known well to the hackers, computer gurus. You think yo …

People, forget the volume buttons! Have an automatic limiter and amplifier in your pocket. Hear the music better only when needed OR auto lower the vo …

Traveling on noisy bus? Use Amplifier mode to make music volume gracefully adjust itself depending on the average noise. Or you wish to listen music b …

People, forget the volume buttons! Have an automatic limiter and amplifier in your pocket. Hear the music better only when needed OR auto lower the vo …

Traveling on noisy bus? Use Amplifier mode to make music volume gracefully adjust itself depending on the average noise. Or you wish to listen music b …