Fusion Markets is now supported on the TradingView mobile apps (more info here: https://www.tradingview.com/mobile/)
Website link: https://fusionmarkets.com/Platforms/TradingView-Mobile
If a client is looking for the correct app, it will be these ones as linked on the website above:
Android: https://play.google.com/store/apps/details?id=com.tradingview.tradingviewapp
iOS: https://apps.apple.com/us/app/tradingview-track-all-markets/id1205990992