We recommend you to use 7inch or 10inch screen sized tablets for best fit. You can adjust the font size in order to create optimal view and number of meetings in the screen. Too small font sizes may make it harder to see the details but with too big font sizes details may not fit into the screen. We have performed most of our tests with Samsung SM-T235 Android 5.1.1, Samsung Galaxy tab SM-T50 Android 7, Asus fone pad 7 (KOOE) Android 6.0, Point of View(TAB-I847) Andoid 6 and Acer B1-733 Android 6.0. However we recommend to avoid the hardware middle buttons. If protection given in Kiosk Mode is important to you. Please consider mounting your tablet device in a casing if you have big concerns about misuse. Some use cases might require bigger screens. It’s possible to run big monitors using Android TV boxes.