There is nothing conclusive about that. We are more concerned about other things. In moderation its ok. No ads on phone, and no screen before bed. Some basic

There is nothing conclusive about that. We are more concerned about other things. In moderation its ok. No ads on phone, and no screen before bed. Some basic games and some kids shows. She knows howto navigate Total Commander and just started recognizing some letters. And she drops phone for playground or for play with friends any time.