Google had promised in early February, is now reputable: Android Market has a unified mechanism in-app buying, like iOS . It makes use of the identical fee mechanism as the remainder of the Market, together with Google Checkout and the fee transformed on the fly.
Available on Android 1.6 and higher with the new Android Market, purchasing in-app for Android will be the acquisition of additional content, for example in games, but also books in the reading lights. Google highlights some applications partners, Defenders Comics Dungeon via Tap Tap Revenge 4.[via Electronista]