Using another phone's GPS signal as location

Question

I have an android phone (Device A), and an android tablet (Device B). Device B has a decent GPS, but Device A's is pretty much unusable. I would like to use Device A for navigation, but to do so I need a GPS quality only Device B has.



Is it possible to make Device A accept Device B's location as an external GPS signal (i.e. with the usage of mock location) while none of them being rooted? If not, does rooting Device A help?



I am interested in a general answer, but also in a more device-specific one if it is better:

Device A: Prestigio 5517; Android 4.4

Device B: Samsung Galaxy Tab 8.4 WiFi; Android 5.0


— Neinstein | Sources

Answer

As a test confirmed, this is possible via corresponding apps:





As you yourself found out, another approach is tethering GPS with an app like TetherGPS Lite – which you write "sounds more efficient since it can be more optimized". As this waits your approval, please approve below this answer then :)


— Izzy | Sources

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