Eye Test

Give your smartphone to your friend to examine eyes - suddenly pop out during the test terrible image, shocked sound and vibration. Impress your friends. Tips: - Set the volume in your smartphone to the max - The effect will be better if the test will take place in a quiet, preferably as a dark place - It is recommended that the maximum brightness of the screen - Watch your smartphone - friend can drop it in a panic - Note on the elderly, sickly or the faint of heart