Latest questions about "space time"

I notice not all Android Wear devices have a knob and Moto 360 of erniefolchi's doesn't have a knob to potentially let him leave the present through time, I wonder if the knob makes the watchface app...

It is only for Android watches and not for phones/tablets at all? I wonder if the Watch Face leaves the present.

I saw the speedometer and the flux capacitor on the iPad version, the restriction is you have to be at least 17, I wonder if it's because it can cause space-time continuum.

I saw a space-time continuum in the description and was wondering why it wasn't denied while publications circulation LLC's time travel app was denied by the app stores.