How the best way to show multi-level options on tablet?

1. How do I use multi window on my tablet?
2. How do I make my Android apps fit all screen sizes?
3. Where is the multi screen function Android?

How do I use multi window on my tablet?

Tap Recents in the Navigation bar. Tap your desired app's icon (not on the preview field), and then tap Open in split screen view. To open another app in split screen view, tap on a second app from Recents or through the Apps screen. The apps will display next to one another, and you can use both at the same time.

How do I make my Android apps fit all screen sizes?

Simple, use relative layout with the set margin code. Set the margins between each text view, button, etc and it will look the same on every phone. android:layout_marginTop="10dp" // change Top to Bottom, Left or Right for what you need.

Where is the multi screen function Android?

1 Tap the Recents apps button. 2 Tap the respective app icon above the wanted app window. 3 Tap “Open in split screen view”.