Here is another gadget that lets you do more on your smartphone. The PhoneBook turns your iOS/Android smartphone into a 15.6″ touchscreen laptop. It serves as a laptop shell with your phone as its brain. Thanks to this, you will be able to play games with keyboard and mouse.
PhoneBook lasts up to 8 hours on battery and can charge your smartphone. It also has a bunch of useful ports, such as USB, USB-C and HDMI.