Cập nhật vào ngày Oct 10, 2019
WARNING: After the security update of March 2017 this app (as well as others) can't simulate anymore a valid GPS.
Elevation of privilege vulnerability in Location Manager -> https://source.android.com/security/bulletin/2017-03-01.html
Source code -> https://android.googlesource.com/platform/frameworks/base/+/d22261fef84481651e12995062105239d551cbc6%5E%21/#F0