This radical oozato is always at the right side of the kanji and means "village". Please note the difference to the radical kozato阝, which means "hill" and is always at the left side of the kanji.
Tip: Go to the radicals that are contained in this character and learn all the characters with this radical systematically!
The app has many other functions, such as character selection according to difficulty, practice programs, handwriting recognition and success statistics!