Imposing stone guardians have certainly served as an inspiration for many a game. though they're rarely as intricate in design.

It took me an embarrassingly long moment to process that the green growth in the second photo is of the strategically planted flower kind -- shame on me for jumping towards "neglected overgrowth" first :|

If you don't mind me asking, what is the AR game you mentioned? It's... It's Pokemon GO, isn't it?