The problem with androids is, that you don't get monitor mode (no packet capture, no hidden networks, no number of clients, etc. you get with kismet), and that

The problem with androids is, that you don't get monitor mode (no packet capture, no hidden networks, no number of clients, etc. you get with kismet), and that a single scan (2.4+5g) lasts multiple seconds, compared to a laptop with 4 usb dongles, where 1 can hope just between channels 1, 6 and 11 (where the most APs are), and the other three are used for the other.