LDPlayer

LDPlayer is an Android emulator with multi-instance support and built-in scripting, aimed particularly at running several game accounts simultaneously.

Multi-instance is its distinguishing capability: running many independent Android environments on one machine, each with its own account, with synchronized input across them if needed.

As with all emulators, resource use scales with instance count, and games with anti-automation measures may detect and restrict emulated or scripted play.