If you own multiple Android devices, you shouldn't have to buy multiple copies of your apps. Fortunately, the Android Market makes it easy to install all of your paid apps on all of your devices without purchasing them again.
Before getting started, please note that these instructions are for devices running the new Android Market (versions 3.0 and higher). While it is possible to install paid apps on multiple devices through the old Android Market, there's one caveat: the Google account used for the purchases must be the primary account associated with the device. In any case, … Read more