NetEnt, Amatic, and Betsoft are some examples.
http://forum3.bandingklub.cz/viewtopic.php...2&t=1106285
http://forum.bandingklub.cz/viewtopic.php?f=25&t=1389449
http://daveandspencer.com/forums/viewtopic...9&t=1029249
https://canadianuniversal.com/stories/showt...=50869#pid50869
https://www.seono1.co.th/forum/index.php/to...81.new.html#new
http://www.20hz.ca/boards/viewtopic.php?t=75933
https://forum.arduionly.com.au/showthread.php?tid=84961
http://forum3.bandingklub.cz/viewtopic.php...3&t=1263602
https://canadianuniversal.com/stories/showt...16175#pid116175
http://nihongo.edu.lk/showthread.php?tid=402986
http://crownbbq.com/viewtopic.php?t=51895
http://daveandspencer.com/forums/viewtopic...0&t=1011600
http://forum3.bandingklub.cz/viewtopic.php...3&t=1444449
http://www.20hz.ca/boards/viewtopic.php?t=81516
https://mmomakemoneyonline.net/threads/hogy...-online.518366/
https://www.seat-club.cz/club-forum/hogyan-...ine-t57789.html
http://forum.bandingklub.cz/viewtopic.php?f=49&t=1147187
http://webidsupport.4up.eu/forums/showthread.php?tid=293443
http://daveandspencer.com/forums/viewtopic...=5&t=914436
http://oldsite.giessen46ers.de/fantalk/vie...=5&t=203996
https://debate.socialism.nl/forum/showthread.php?tid=157992
https://one-diz.3dn.ru/forum/28-5548-1#11702