It's a scam. You have the exact same page for other devices with name changes.
Unfortunately, there's no alternative ROM for the L7 II series.
Sent from my LG-P714 using Tapatalk
Phone: LG L7 II P714
ROM: LG Stock 4.1.2
Recovery: CWM v18.104.22.168
Tweaks: Xposed (GravityBox, Greenify, App Settings, ClockColorChanger, All Notifications Expanded), Nova Launcher Prime