Unlike official Google Play downloads, installing a private server requires "sideloading." Here is the generic process (specifics vary by server):
For Android Users (90% of the player base): Saint Seiya Legend Of Justice Private Server - Google
For PC Users (Using Emulators - LDPlayer/Bluestacks): Unlike official Google Play downloads, installing a private
A Critical Warning: Private servers are hosted by anonymous individuals. While most are run by fans who love Saint Seiya, some have been known to inject malware or steal device IDs. Never use your real Google account or credit card info to make "donations" on these servers. If the PS asks for a "donation" for Gold Saints, that is a red flag – the appeal of the PS is that it is free. For PC Users (Using Emulators - LDPlayer/Bluestacks):
Saint Seiya: Legend of Justice was a beloved browser-based auto-chess RPG. Since the official servers slowed down or shut down in many regions, Private Servers (PS) have emerged to keep the Sanctuary alive. These servers offer faster progression, exclusive Saints, and PvP balancing missing from the original.