The manufacturers have left some root-access related files in their build. This is quite common with a lot of the smaller Chinese producers.
I notice the device doesn't appear on Google's list of devices tested & supported by the Play Store ( https://support.google.com/googleplay/answer/1727131?hl=en-GB ) .
I notice the device doesn't appear on Google's list of devices tested & supported by the Play Store ( https://support.google.com/googleplay/answer/1727131?hl=en-GB ) .