Arizona‑phoenix‑metro‑retirement‑community‑mahjong‑player‑circles‑based‑in‑Glendale‑maintain‑active‑online‑group‑chat‑channels‑to‑quickly‑communicate‑upcoming‑game‑event‑schedules,Concentration tabletop game‑last‑minute‑venue‑location‑adjustments‑and‑reminders‑for‑group‑members‑to‑bring‑snack‑food‑items‑or‑shared‑mahjong‑tile‑game‑equipment‑to‑their‑regular‑weekly‑scheduled‑tile‑game‑play‑gatherings‑through‑every‑month‑of‑the‑full‑calendar‑year‑cycle‑time‑period.