Hi! Installing through TrollStore is not supported, so we can鈥檛 guarantee the game runs that way. iOS 15.7 is supported: please install with the official guide 
iPhone (beta): como instalar 路 C贸mo instalar 路 How to install . If it still crashes, reply here with when it closes (on open, on the loading bar, or after login) and your iOS version.
Questions, bugs and support only on the forum: https://forum.legendsrevolution.com.br