Cell phones not only become an indispensable devices for grown ups, they influence the life and study of kids, especially tweens and teens. Most family grant that their kids should have a cell phone once they go to elementary school for communication and parenting control requirements. For a safe use, parents need keep a constant eye on their kids and protect them from cell phone virus, scams, unhealthy messages and pictures and so on. Many parents even start their protection since their purchase.