You do not want someone to peep your smart phone when you are using it in train, public places, etc?Here is the answer for you!Peep Guard will introduce various types of filters that makes difficult for people around you to peep your smart phone.Some people say this app is quite useful to save smart phone battery. It is absolutely true when we set black color and thick transparency.You can set any image saved on your smart phone to display. If there is some favorite picture that you would like to see at all the time, this app would be a perfect solution too!If you have some idea that makes this app more useful, please feel free to contact us.Keywords: Screen Filter, Peep Guard, Train, Bus, Transportation, Privacy, Hide, Secret, Picture, Love, Save battery