Sharp announced a new version of its Zaurus Linux PDA line.
How To: Buy a Pokemon Go Plus
The Zaurus SL-C3200 Linux PDA with 6GB Hard drive is an upgrade to the SL-C3100 which has 4GB HDD. The specs remain pretty much the same. The PDA is powered by an Intel PXA270 Processor at 416 MHz, 64MB RAM and 128MB ROM. It's large VGA res (640 x 480) 3.7 inch LCD display. The SL-C3200 has a QWERTY keyboard, SD and Compact Flash card slot, USB port and IRDA connectivity.For $640, the new Sharp goes on sale in Japan on March 17.
More details on the sharp product page (Japanese).