Awesome!
My one year old loves this. It plays clear interesting sounds that react to baby moving, touching, and shaking the phone. The "bells" move according to the movement sensor and the phone vibrates strongly to reward baby for shaking it. The colors and images are vibrant and engaging. Best baby-toddler app I have seen. It also doesnt have buttons that baby can push to click ads or buy addons. Baby cant accidentally close the app or anything. AWESOME!
Reithegenki about
Smart Tot Rattle - Cause And Effect Sensory Stimulation