The phone version i wasn't able to get out of the old lady's inventory after getting the starter outfit
Use a two-finger tap, tap once with two fingers. It's a common feature for Android devices to go back or cancel something. This will both delete a symbol during the naming phase and allow you to exit a menu. If you use it while no menu is present, it will call the standard on-map menu.
I'll make a FAQ post later today.
There's a FAQ post on my Patreon and the same post on Itch. Also, I plan to mention these with each new update. Hope this will help.