Another tweak in the format of GWP's now-standard fake referrer. Note the /m/ directory:
Note, too, the Android Mobile UA:
Mozilla/5.0 (Linux; U; Android 2.3.4; generic) AppleWebKit/534.51 (KHTML, like Gecko; Google Web Preview) Version/4.0 Mobile Safari/534.51
Too bad we can't get paid for being Google's guinea pigs.