Left: The bird 隹 with a bird's comb and cover ( and 一) is understood as a proud cock/rooster; right: see/watch 見 (= The eye 目 is on legs 儿 when looking around)
Mnemonic
The proud cock sees, that he is watched, because of his appearance.
Is understood as a flat version of: 人 - Other radicals with 'person' are: sitting 匕, sitting cross-legged 夂, kneeling ⺈, skilled 才, bending マ,卩, slumped 㔾 or husband 夫
The app has many other functions, such as character selection according to difficulty, practice programs, handwriting recognition and success statistics!