Do not download "Modded APKs" that claim to have HD graphics of Indigo League. These often request permission to read your contacts or SMS. Scammers target Pokemon nostalgia because it is so popular. Stick to Emulator + ROM. Never grant an emulator permissions to your microphone or camera—they don't need them.

You will download two separate things:

⏩ Grinding for levels can be slow. Use the fast-forward toggle to speed up battles and walking by 2x or 4x.

You need a trusted emulator from the Google Play Store. Avoid "Emulator" apps with excessive ads or permissions.