B4A designer is a very good interface for designing layouts, with a little study you can create modern UIs that create a better user experience.
Find the best layout and adjust it to your app:
Online Groceries App UI
I created and designed it with powerpoint 100%. Usually i make use of Figma but today i decided to make something different that the community can actually use easily and turn into real design in B4J.
I might consider later uploading the B4J design which i haven't had time to convert into yet...