An Android smartphone and tablet brand from Google that is "pure Android," meaning that there are no added user interface features or extra apps from the device maker or carrier, many of which cannot be removed by the user. Open Source or Closely Controlled Although Google promotes Android as an open source platform for all hardware vendors, it collaborates with some of them to create Nexus-branded phones and tablets that must adhere to Google standards. In 2010, Google sold the HTC-manufactured Nexus One directly from its website. Subsequently, Nexus S and Galaxy Nexus phones from Samsung were offered by the carriers. In 2012, Google resurrected its e-commerce site to directly sell Nexus devices from Samsung, LG and others. Motorola Mobility - In, Then Out Also in 2012, Google acquired Motorola's phone division (Motorola Mobility), and although later spun it off to Lenovo, Motorola introduced the Nexus 6 smartphone in 2014, followed by tablets from HTC. Also in 2014, a set-top box made by Asus was introduced (see Nexus Player), and smartphones from LG (Nexus 5X) and Huawei (Nexus 6P) followed in 2015. In 2016, Google introduced the Pixel phone made by HTC (see Pixel phone). See Android and Nexus One.