The entry-level dual-SIM Aquaris E4.5 Ubuntu Edition is available for sale if you're in the European Union. The first of its kind Ubuntu powered smartphone features a 1.3.GHz Quad Core Cortex A7 processor, 1GB of RAM and a 2150 mAh battery. Basic specs to be sure, but what is interesting is that Ubuntu seems to run on hardware designed for Android phones. which means that it shouldn't be too hard to see this OS running on other devices.
Source: BQ