Android App Emulator Development

I’m looking for a dependable phone-emulation solution focused on one core job: running Android apps smoothly and without hacks. Whether the host ends up being Windows, macOS, or browser-based is secondary to performance and stability, so feel free to recommend the platform that best meets the goal... (Budget: €2 - €6 EUR, Jobs: Android, Android App Development, Android SDK, Android Studio, Java, Mobile App Development, Mobile Development, XMPP)