I've been using KSK for over a year now and I'm fundamentally satisfied - had previously used a comparable product from another supplier, but this was easily circumvented by children. KSK was not like that at first, but now my son has found a way to bypass Google Play Store and install games, for example - all he has to do is call the locked app very often. Until the lock screen appears, there is then a fraction of a second where the app can be started. This procedure takes some time, but the children found out relatively quickly and took advantage of this gap. I ask for an answer - Thank you! Translated with [removed]