As well as cash symbols with multipliers, there are nine special symbols, each with its own effect. As of March 2017, Apple has sold 1.16 million iPhones, and we know that Android sales are consistently about 10% ahead of iOS.
https://democratstoughlove.com/showthread.php?tid=16147
https://muchroom.ng/index.php?topic=136115.msg160638#msg160638
https://planeswalkers.org/viewtopic.php?t=19445
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=9&t=175654
https://catrachosporelmundo.com/index.php?topic=36913.new#new
https://www.ww2.site/forum/viewtopic.php?t=22288
https://forum.pcfoster.pl/topic/146227-hoe-selecteer-je-een-gokautomaat-met-een-krachtige-bonusronde-goldrun-casino-bonus/
http://www.lada-xray.net/showthread.php?p=278829#post278829
http://1.s.2.free.fr/viewtopic.php?f=13&t=630318
https://www.ukalachat.net/forum/index.php?topic=3067.new#new
https://gravatar.com/gracefullyluminarydefd251ec1