I released the v0.0.7 and it could be the “good one” because I have tested intensively and in the worst conditions. Moreover, it is indipendent from Google services but relies on Qualcomm SUPL hosts network. Among other features, implement a throttling for XTRA in such a way the SFOS does not lag and apps do not freeze.
PERFORMANCES
After a reboot, the fix indoor with 4G IPv4-only mobile data transit on a free UDP VPN with energy save mode enabled and WiFi tethering active, it takes less than 15s for 9000m h-accuracy and near 1m for fixing the point under 100m of h-accuracy, 2m for 15m with 6/41 use/view satellites. Without the WiFi tethering active or any Wifi connections, it takes near 30s for 30m h-accuracy.