To a certain extent. You have to let them have some control and freedom, otherwise once they're completely alone with it, its not going to be good. Gradually give them more freedom overtime.

Sounds like a candidate for parent of the year to me.

It's better for kids to adjust to the real world. Can't hide behind a screen all day!

I am dad and they are 13 and 15

i know lots of parents that do that.