> ## Documentation Index
> Fetch the complete documentation index at: https://docs.shipmobilefast.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Android
> Setup in-app purchases for Android
We are using [RevenueCat](https://www.revenuecat.com/) to handle in-app purchases.
* Relevant Links: [RevenueCat Docs](https://www.revenuecat.com/docs)
First, you need a Google Play Developer Account to setup in-app purchases.
## Setup
Firstly, you need to see like that screen in RevenueCat.
Please click the link down below:
* Link: [Google Cloud API Console](https://console.cloud.google.com/apis/dashboard)
Create a new project or select an existing project.
Go to the [Google Play Android Developer API page](https://console.cloud.google.com/apis/library/androidpublisher.googleapis.com) and [Google Play Developer Reporting API page](https://console.cloud.google.com/apis/library/playdeveloperreporting.googleapis.com)
Please click the `Enable` button both of them.
After clicking the `Enable` button, go home page in Google Cloud Console.
Go to IAM & Admin > Service Accounts Page
* Click the `Create Service Account` button.
* Add your Service Account Name like: `SMF RC Service Account`.
* Pick your first role : 'Pub/Sub Admin'
* Other role should be 'Monitoring Viewer'
* Click the `Continue` and `Done` button.
After clicking the `Done` button, you will see the screen like below.
* Click the `3 dots` button.
* Click the `Manage Keys` button.
Click the `Add Key` button. Then click the `Create new key` button.
Please pick the `JSON` and click the `Create` button.
Save the JSON file and keep it in a safe place. We'll use it in the next step.
By the way: Go to [Pub/Sub Developer Notifications](https://console.cloud.google.com/apis/enableflow?apiid=pubsub)
* Go to the `Google Play Console` section.
* Click `Users and Permissions`
Go back to Google Cloud Console and Copy the service account mail.
Paste it in here and scroll down a little bit.
Click the `Account Permissions` button.
Grant the following permissions:
* View app information and download bulk reports (read-only)
* View financial data, orders, and cancellation survey response
* Manage orders and subscriptions
Turn back to the RevenueCat dashboard and drop a json file in here.
* Write your app package name in here.
Pick a Google Developer Notification Topic ID.
* Click the `Connect to Google` button.
Then you will see like this screen. Copy the Google Developer Notification Topic ID.
Go to the Play Console.
Click the `Create App` button if you don't have any app.
Fill the form
Go to the `Monetization` section.
* Paste your Developer Notification Topic ID in here.
* Pick notification content.
Copy the RevenueCat Public Key and paste it in `.env` file.
```
EXPO_PUBLIC_RC_GOOGLE_KEY=goog_...
```
That's it! You have successfully completed the setup for Android.