Tuesday, Google officially announced its lineup of physical Google Play gift cards at Target, GameStop and RadioShack stores. The cards will be coming in $10, $25 and $50 denominations and Walmart.com will begin shipping them later this month. The cards can be used to purchase misc, movies, books, apps and such from the Google Play store and, interestingly, can also be used to buy in-app purchases from apps directly, something that iTunes Gift Cards cannot be used for. Read the full story at The Next Web.