The Starburst wild. This symbol can only land on the middle 3 reels. So you’ve picked a few apps - great.
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=266476
https://wietmarkt.nl/viewtopic.php?t=333598
https://boards.streamweaver.app/showthread.php?tid=2351
https://talkingpoints.org/subx/showthread.php?tid=97791
https://boards.streamweaver.app/showthread.php?tid=5690
https://foro.murenacidos.com/showthread.php?tid=12824
https://catrachosporelmundo.com/index.php?topic=27497.new#new
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=630010
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=402922
https://www.ww2.site/forum/viewtopic.php?t=75090
https://forum.zweb-apps.xyz/viewtopic.php?t=180938
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=203479
https://67farms.st/viewtopic.php?t=8941
https://planeswalkers.org/viewtopic.php?t=78324
http://www.lada-xray.net/showthread.php?p=238122#post238122