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Android builds

Build an APK to install on phones, or an App Bundle for Google Play, then send the bundle to Play from Publish.

Updated Oct 11, 2026

The Build window on Android with Installable APK selected, Play Store AAB beside it, and CPU architectures under Advanced settings; then the finished APK with QR and Download APK
An APK installs straight on a phone; the App Bundle goes to Google Play.

APK or App Bundle?

Installable APKPlay Store AAB
Install on a phoneYes, by QR code or downloadNo
Upload to Google PlayNoYes, required
Use it forYour own testing, demosInternal testing, then production

Steps

  1. Click Build, choose Android, then the output and CPU architectures.
  2. Check Signing key. Already on Google Play with your own key? Register it first. See Android signing keys.
  3. Fix anything red in the checks above the build button.
  4. Start the build and wait for Ready.
  5. Scan the QR code for an APK, or click Open in Publish for an App Bundle.

CPU architectures

Phones and tablets (recommended) covers real devices (arm64-v8a, armeabi-v7a). 64-bit phones only is smallest; 32-bit phones cannot install it. All, including emulators adds x86 and x86_64. All cost the same.

Good to know

  • The package name, such as com.acme.habits, is set in App settings › Store identifiers. It locks after the first Play upload, and Play refuses com.example names.
  • A new app's first bundle goes to Play Console by hand, once; the upload step guides you. Later ones go to internal testing in one click. See Google Play testing.
  • The build number becomes Play's versionCode. See Versions and build numbers.

Install and test on a device · Fix a failed build

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