Collegare Arduino con Android attraverso USB

"USB Host controller" rileva:

Arduino/Luigino328:
6001:0403
FTDI FT232R USB UART

Arduino/Maximie:
003c:04d8
Microchip Technology Inc USB HID Bootloader

Pero' dice anche "S3C USB Host driver not found" e "Root hub present. USB Host mode is active!"