There is an error when I play Pokemon Go, why is that?

pokemon-go game application mobile cell-phone cellphone smartphone

If I run Pokemon Go, there is an error as shown below, why is it?

The Pokemon GO cannot be driven because the device OS version you are using is not compatible or a specific operation (such as ROOT) is detected.

2531 2017-04-23 Gentleman

A. 1

Pokemon Go is not allowed when routing.

Gentleman 8 years ago 0

A. 2

If you break out of iPhone because it's routing, you can't play games.
Otherwise, it might not work because the Android version is low because it's my old phone.

Gentleman 8 years ago 0

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