The surprisingly excellent cold-blooded murder of Hitman Go is now on Android. Developer Square Enix has just released the game on Google Play for $4.99, after launching on iOS devices back in mid-April. Hitman Go takes the long-running stealth assassination series and reimagines it as a kind of digital board game, while still retaining the ruthless strategy that made the franchise such a hit in the first place. Its also downright adorable, with intricately detailed diorama-like levels, and features some ingenious puzzle design that feels perfectly suited to mobile. …