# Installing Application Where can I get the instructions for installing and working with the application? Instructions for using the mobile app can be found [here.](/guide/app-guide.md) Why can't I find your application in the Google Play Store? It is possible that the characteristics of your device do not meet the requirements for installing the Application. Before searching for the Application, make sure that: * [x] the device is running Android OS v. 8.0 and higher (but strong recommendation to use Android 10.0 or higher, due to the fact that Google stopped supporting Android 8 and 9) * [x] the device has an imbedded NFC module * [x] the location of your Google ID corresponds to your region. Why I can't install your application on my smartphone? It is possible that the characteristics of your device do not meet the requirements for installing the Application. Make sure that: * [x] your device is running Android OS v. 8.0 and higher (but strong recommendation to use Android 10.0 or higher, due to the fact that Google stopped supporting Android 8 and 9) * [x] the device has an imbedded NFC module * [x] the location of your Google ID corresponds to your region. Which phone can I install the Application on? Before you start using the Application, make sure that: * [x] your device is running Android OS v. 8.0 and higher (but strong recommendation to use Android 10.0 or higher, due to the fact that Google stopped supporting Android 8 and 9) * [x] the device has an imbedded NFC module * [x] the device has the Google Play Store application installed. {% hint style="danger" %} These are the minimum requirements for installing the Application. However, after the Application is installed, the program checks the reliability of your device. If the state of your device does not meet the [security criteria](/guide/app-guide/trusted-devices.md), further use of the Application can be restricted. {% endhint %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.tapxphone.com/help/faq/installation.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.