Here's what Hasbro had to say:
Finally, we will be releasing at approximately midnight tonight on both the iTunes App Store and Google Play, for iOS and Android, respectively. If you check it out and enjoy it, please consider leaving a review at iTunes or Google Play!
To do just that, click the following links:
Android
iOS
And if you're interested in all of Hasbro's Transformer apps, the list can be located on the official site, right here.
And now, some screen shots!
Android:
iOS:
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