Provides access to Android market in-app billing service. See this link for more information.
Permissions:
com.android.vending.BILLING
Events:
BillingSupported (Supported As Boolean) PurchaseStateChange (PurchaseState As Int, ProductId As String, OrderId As String, PurchaseTime As Long, ExtraData As String)
Starts a purchase request. View - Should usually be the Activity object. Required for allowing access to the activity context. ProductId - The product id as set in the developer console. ExtraData - Arbitrary string that is tied to the request.
RestoreTransactions
Sends a request to the market to restore managed products transactions.