Left: woman 女, right: ticket, bank note 票 (In the west 覀/西 you show 示 your ticket) [West: 西 = Under the horizon 一 the sun 日 sinks 儿 at the sunset in the west]
Mnemonic
For the woman you need a ticket, when: visiting a prostitute.
The character for tall 大 shows a person 人 with outstretched arms 一. If you shift the lower strokes towards each other, you can get the: woman 女. The wider lower area can be understood as female hips?
The app has many other functions, such as character selection according to difficulty, practice programs, handwriting recognition and success statistics!