If you want to build your apps more efficiently and faster there are few options hidden from you by default(!). But as an app maker, you can easily turn them on.
Go to File -> App Settings -> Advanced settings
There are impressive functionalities that will boost your productivity. 2 examples:
Components
It’s a group of controls that you can reuse across screens and apps! It’s like you build your own control! Example:
Formula bar result view
Normally there is no way to see what your filter function will actually return in the result unless you display the data using some control (e.g. gallery). However, turning on “Enable formula bar result view” allows you to see the first few results right in your formula bar. Like this:
