1) Secret Bases are kinda useless, it have always been this way. Maybe more decorations (like the ones already existing in Sinnoh) AND the possibility to cure mons/fly to would be appreciable. (...in other regions too maybe...)   2) Share position of friends (at least the ones linked) on the map   3) -idk if has been already implemented, but the last time I checked it wasn't- allow friendly 2vs2 battles with other players (like the link battle in battle tower but against