Is there a way to go to the previous page/microflow, like in Eclipse/Intellj between code with some combination of alt, ctrl + left arrow / right arrow
Try control + tab
Maybe this is what you are looking for.
You could use control + alt + F, which is the find usages of a page, microflow etc. With this you can go to the caller of the page or microflow for example. To step in to something like a button, you can just right click and select ‘go to’