Last week we heard the cool news that Google would be bringing out Google Play Store gift cards, and now they have. You can pick up the gift cards in denominations of $10, $25 & $50 increments. Here's a quote with the details,

Google Play gift cards are perfect for any occasion. You can buy them from your local retail store. Use your gift card to purchase your favorite entertainment on Google Play.*

Explore millions of songs from top artists, thousands of your favorite movies and TV shows, the world's largest selection of eBooks, and much more. Play your purchases instantly on the web or on the go -- no need for wires or syncing.
Shop for all the Android apps and games you love with your Google Play gift card. You can even use it to purchase extra levels, add-on packs, and virtual currency.
Source: Google Play Store