What mobile wallet software is available for BlackBerry? Is there a technical reason why there is no mobile wallet software for BlackBerry users?

Is it just because the marketplace on BlackBerry is awkward? Or are there other technical problems?

Are the Android and iPhone markets easier (less strict) to upload apps to?
The Blackberry World (app store) shows two wallet apps:


Bitcoin Wallet by Andreas Schildbach
Bitcoin Spinner (unofficial release, so I'ld check first on the Bitcoin Spinner forum thread to see if it is verified as a straight port with no wallet stealing code injected)]