These devs focus on practical mechanics that most players can master fast. Besides, many of these mobile sites are just that, mobile-capable websites.
http://miweii.com/forum.php?mod=viewthread&tid=19780&extra=
https://muchroom.ng/index.php?topic=85437.new#new
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=590819
https://www.ww2.site/forum/viewtopic.php?t=380878
https://wietmarkt.nl/viewtopic.php?t=613798
http://wirtualnapolityka.cba.pl/showthread.php?tid=5558
https://wietmarkt.nl/viewtopic.php?t=643314
https://boards.streamweaver.app/showthread.php?tid=6446
http://myweed.rocks/viewtopic.php?t=61459
https://planeswalkers.org/viewtopic.php?t=76216
https://ufr-2020.front5.picapo.net/forums/viewtopic.php?pid=333809
http://my-xanadu.org/viewtopic.php?t=20218
http://myweed.rocks/viewtopic.php?t=42554
https://my-mobile.eu/viewtopic.php?t=33246