How do I do something like this on appinventor?

[Joejsanz]

With this extension you can do that, whatever you put in the 2nd Arrangement will be above everything you put in the first.

FloatingArrangement - Make an `HVArrangement` float above other elements within another HVArrangement

FloatingArrangement Make an `HVArrangement` float above other elements within another HVArrangement. Like this: Buttons on buttons thanks to the floating arrangement. [1739623733620] I made this functionality for another function I'm making where you can generate piano sound or other tones with hertz and waves. MakeFloating Creates a Floating Arrangement inside another Arrangement. [blocks (82)] parentArrangement: Parent arrangement on which the floating arrangement will be placed. f…