Multi-threading is hard, let&#x27;s go shopping![1] It&#x27;d be great if Google Play Store wasn&#x27;t janky on a modest 1.5 GHz A53, even with eight cores on tap, but if even Google can&#x27;t do it with their first party apps, what hope do mere mortal app developers have?<p>[1] And it&#x27;ll stay that way so long as mobile platforms are based on JS&#x2F;Obj-C&#x2F;Java.