Shopify Theme Editor — OAuth server.

Configured apps: belher-ro, exgen-main, expert-sport, femieko, femiekostore, gardenboutique-ro, gradina-noastra, izvoraqua, kd-payment-rules, kezxg5-bj, luvoraeclat, moogustore, vp2es1-kh, we-velvet, yndzpk

Install a store under an app:
  /auth/<appId>?shop=<store>.myshopify.com