Only the current version so far — new entries appear as the app ships updates.
Grodno Fortified Zone Guide is a travel & local app by Yanka Kupala State University of Grodno with 100+ downloads (about 262 estimated). Released Jan 8, 2017. Install growth, rank history, SDKs and ad networks.
From the store listing: “Guide around the fortification constructions of the 68th Grodno Fortified Region”