Install the Tap to Pay Ready App {#ttp-sis-comply-pci-mpoc-install-app-task}
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To support PCI-compliant payment processing, the Tap to Pay Ready app must be installed on your Android device. This app is a core component of the PCI-Certified MPoC Solution that is used by the Tap to Pay on Android Acceptance Devices app to process secure payment transactions.
IMPORTANT This app must be installed before you can set up your Android device.  
Use one of these options to install the Tap to Pay Ready App:

* Download the app from the [Google Play store](https://play.google.com/store/apps/details?id=com.visa.kic.app.kernel "") on your Android device. No additional set up is required.
* Download the app through the Acceptance Devices app when prompted during device activation. For more information, see [Enter an Activation Code in the Acceptance Devices App](/docs/vas/en-us/tap-to-phone-sis/integration/all/rest/tap-to-phone-sis/ttp-sis-get-started-intro/ttp-sis-ad-app-activate-terminal-intro/ttp-sis-ad-app-activation-code-api-intro/ttp-sis-ad-app-enter-activation-code.md "").
  {#ttp-sis-comply-pci-mpoc-install-app-task_ul_efj_qrt_tfc}