To be honest, this looks a lot like an iPhone button which would look ugly in Android. Especially in combination with default textboxes, switches, etc.
Android apps should a) use the default style b) use default style mixed with moderately customized default elements (different color etc.) c) use custom elements for everything using a style that doesn't look ugly on Android (ie no iPhone-like shiny buttons).
When I saw your iOS demo last week, I considered creating an Android port. Thankfully, I didn't have the time, and your implementation is fantastic for a 0.1.0. Great job!
Android apps should a) use the default style b) use default style mixed with moderately customized default elements (different color etc.) c) use custom elements for everything using a style that doesn't look ugly on Android (ie no iPhone-like shiny buttons).