A lot in China, it seems. Like many others Desperate to try the explosively trending game, Chinese users have attempted a variety of methods of downloading the game, including sideloading it on Android devices and borrowing friends' iOS App Store accounts.
A crop of enterprising Chinese sellers have risen to the challenge. For **w, the game only is available in the U.S., Australia and New Zealand, so sellers are providing access to App Store accounts on China's largest online store, Taobao.
Screengrab of Taobao's listings for the search "Pokemon Go".