Android P which is the next Operating system is still on progress as more features is been tested out. Android P might come with support of using your smartphone as Keyboard and Mouse with the help of bluetooth connection. This could be a standard way to control “smart” appliances over Bluetooth.
This also similar to Samsung the latest DeX dock which allows the Galaxy S9 to be used as a trackpad, a feature that Huawei already supported in its own PC mode and Microsoft in its Continuum before that.
Though in a case of using a smartphone as a Trackpad is a nice idea, but Typing experiencing wouldn’t be great. Still simplifying the controls to something like joystick e.g. an extra controller for your console.
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