can't you just think of the 2x2 as 3x3 without edges? Just get one face (10 seconds) then OLL (5 seconds) The J perm or V perm (5 seconds). That should be easily sub-20 even if you turn really slow.
You only need to learn two permutation algorithms, not too bad. For orienting the last layer, just do the same steps you do for the 3x3, except there are no edges. Simple as that.
You only need to learn two permutation algorithms, not too bad. For orienting the last layer, just do the same steps you do for the 3x3, except there are no edges. Simple as that.