YGPS.apk is the pre-built system application, contain test tool for engineer
to do GPS test.

This apk is pre-built by MediaTek internal.

WHAT IT DOES?
=============
YGPS.apk display satellites information, like coordinate, signal strength, fix status.
It can do hot/warm/cold/full restart gps and show NMEA log view, some debug switch button.

HOW IT WAS BUILT?
==================
It needs the following library from AOSP:
None

and the following libs from MediaTek:
None

HOW TO USE IT?
==============

Enter dialer, and key in *#*#3646633#*#* to launch the EngineerMode.
Then enter Location tab, there will show YGPS item.
all source code are at (vendor/mediatek/proprietary/packages/apps/YGPS/)