We support all Android-based displays/players (Android OS 5+), Amazon FireTV devices, WebOS Signage, Windows Based players, Linux based player, Raspberry PI, and web based players

1GB  which is much more than enough to get you going, you can upload up to 500 images and 50 mins of videos, those numbers are estimated, the actual figures depend on the content uploaded.

Absolutely, we have implemented the latest security measures, we are a partner of Stripe, one of the best payment gateway providers in the world. For more information about security measures, check the following page

No, but some functionalities will not work if your device is not rooted, like Automatic update or power management settings.