google i/o 2014 was fascinating considering all the new techs we have been shown ^_^
google showed project ara...the modular handset project, they 'built' a cellphone by blocks and it was able to boot, then it froze. the first modular handset from google will come in march 2015.
project tango will be very useful not only for gamers or game designers but also for visually impaired people.

if you did not hear about project ara or phoneblocks before you may take a look at this-

only project ara google i/o 2014 -


more interesting things including project tango-

a video for gamers -

also... yesterday they released a list of 100 beta tester for project ara