Average movecount: 10.7 + 12.0
Average double turns: 2.1 + 3.0
Algorithms: 7 + 4
2GLL is a set which is not common knowledge to everyone, thus while the algorithms are being memorised, this is a 2LLL scheme for cases not yet memorised. This is simply converting all 2GLL cases to O 2GLL (i.e. EPLL) by solving OCLL, and then doing the EPLL algorithm.
Most of 2GLL simply is a combination of 2 sune algorithms and its cyclic shifts, and is much easier to memorise compared to other sets of similar size.