1. On my tablet to stop apps running in the background and hogging RAM. Hold the square to the right of the home button and swipe the apps to the right.
2. To mirror the screen to a TV. Set up Google Home (Chromecast), then go into SETTINGS then DISPLAY then CAST and connect.
3. If you are after a stylus this discussion on the VLN maybe useful.
3. On my tablet to take a screen grab try pressing and holding down the power and volume at the same time. It takes a bit of practice.
Or try clicking on this shape on the menu bar saves a screen shot as well but it is only on some devices- don't know why!
4. Guided Access on and Android to lock users into a single app.
http://www.smartappsforandroid.com/
http://androidapps4ed.weebly.com/literacy.html from Jan-Marie Kellow