Time to move into a type of controller that hardcore gamers love: physical ones.
There are a few devices that have a controller included as a part of their hardware. Some notable examples are XPeria Play—one of the pioneer phones that had a sliding gamepad—and Nvidia Shield, the latest in this category.
XPeria Play was one of the first devices with an integrated gamepad:
Nvidia Shield is one of the most powerful Android devices with a gamepad:
On the other hand, there are many brands that build game controllers for smartphones and ...