The ballot design has prompted a thicket of court challenges from people who want a re-run of the election in Palm Beach County, saying the design led them to vote for the wrong candidate.
It's palm-sized with a single blue LED light indicating a connection, but honestly you don't ever need to look at it: it doesn't need line-of-sight to your handset because it uses a wireless protocol called WiFi Display, which means you can happily leave it dangling out of the way behind your TV.