Googler's idea for implementing USB Mass Storage on N7 without rooting

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Brian Swetland proposes this app idea for USB Mass Storage on the N7, even without rooting. Thoughts from the devs?

More links and discussion on his G+ post. Excuse the hack job on the G+url, new member and such: plus[dot]google[dot]com/u/0/116035013937554489222/posts/KiqFpDpDWto

#android #projectidea #gohavefun

I see a some grumbling about the Nexus 7 (and Galaxy Nexus) not supporting USB Mass Storage devices (thumb drives, etc). Want to make some friends by writing a fun app? Use the USB Host APIs, implement USB Mass Storage (basicly SCSI over USB bulk -- pretty simple encapsulation), and FAT/FAT32 in a standard Android app and make it available via market. No need for "rooting" for this to work.

I have gone and read the thread on Gplus but I still don't understand this!

Sent from my Galaxy S3 using Tapatalk.

There is already a thread dedicated to USB-OTG matters, please continue all further discussion there.