Sonic the Hedgehog 4: Episode 2 is now available for download on Android devices. You can grab it in both normal and Tegra-compatible formats for $6.99.
Sonic the Hedgehog 4: Episode 2 initially launched on Steam, Xbox Live Arcade, PSN, iOS and Windows Phone devices. The Android version includes co-op over Wi-Fi and Bluetooth. You weren't going to let Tails sit this one out, were you?