Tokusatsu musebox

Billy's arrival in Tokyo wasn't exactly the easiest of transitions. He'd studied some rudimentary Japanese phrases the moment he'd reached a computer and coaxed it to the Internet, but he was obviously going to need more than that if he was to survive here.

Fighting the local beasts as a Ranger was one thing. Morph, make some gestures and grunt sounds, and disappear. No one ever had to know he was a foreigner. Getting by in everyday life was an entirely different matter.

Through weeks of struggling (and some pointed haggling with some perhaps-illegal tech), he eventually assembled enough parts to make two prototype translation device, tuned to produce audio translations between English and Japanese. The first one was a modification/extension of his own wrist communicator, a new dome appearing over the surface of it. The second, with red bands instead of his blue, was very similar but lacked the now-defunct teleportation code.

With some help from machine translation, he posted a sign in front of a bench at the local park in English and Japanese:

Please assist a young researcher with a new device. You will be compensated for your time.

Now, all he had to do was sit here, look friendly, and wait. Billy hoped the monsters here weren't as fond of parks as the putties at home had been.