Android is at a disadvantage here in the first place because there's such a wide variety of device hardware and sizes across the board. (howtogeek.com)
Whether your device is supported or not by Kingo depends on various factors including device hardware, software and your manufacturer (locked bootloader, locked this and that), etc.. (kingoapp.com)
Generally considered to be among the higher - end mobile device hardware options (don't be fooled by the number of sales, which will appear small by comparison to the likes of Samsung or Huawei), the Nexus lineup is overdue for a refresh (and there may not be much time, if Google gets out of hardware it may be more difficult for the company to keep the reigns tight on the direction taken by Android as a platform). (goodereader.com)