Can anyone please give me some positive adjectives to describe a cell phone?

Question

it's gotta be something that could be written on a poster and then be accompanied by a caricature or drawing.

(we've had "devilish", "angelic", "wish-fulfilling" so far)

Answer 1

Handy, useful, practical

Answer 2

Sleek, friendly, handy

Answer 3

"Your plastic pal who's fun to be with!"