I can understand how this might be legally contentious, but the only thing it could be reported for is the name, I would think? The Google Play logo there is not me embedding it into the app, since it's displaying the webpage itself. Correct me if I'm wrong?
You want to avoid making it look like it's actually "endorsed" by Google, or a product of Google's, despite interop with one of Google's products. The name can be an issue here, so you might want to come up with something spiffier and original, and point out that it works with Google's service elsewhere.
