Application author (or one of them) the same on both posts, Aalyatim. So I think this is the same tool on different develpment stages.
Here post with unlocking tool - http://forum.xda-developers.com/sprint-galaxy-s5/general/sprint-samsung-unlocker-unlock-sprint-t2928250. All thanks to aalyatim.
Tested on l720t. It works. Operator - Kyivstar (GSM). All works fine Internet, MM...
My l720t Unlocked. Thanks a lot. Donation sent.