Left: king 王 (The three spheres 三 [heaven, earth, mankind] combined in the person 丨 of the king.), right: to request, ask for 求 ([I'm dying of thirst:] Just one 一 drop 丶 of water 水, this is my: request)
The app has many other functions, such as character selection according to difficulty, practice programs, handwriting recognition and success statistics!