Create Google Maps API key
Create Google Maps API key if you are building your app for Android. On iOS Dokan App uses Apple maps so you can skip this step for iOS.
Step 1: Go to Google Cloud Platform Console. In case you need to login, use your Gmail credentials.
Step 2: If you do not have any previous project you will see a page like below.

You may have existing projects here. Either way, create a new project clicking the Create button
Step 3: Give a proper project name and click Create

Step 4: Wait until a new project is created. It will take you to to the page you were in Step 2. Click Select a Project from the drop-down at the top bar and select the newly created project.

Step 5: Upon selecting your project a page will appear like below. Click Maps SDK for Android marked by the red rectangle

Step 6: Click Enable button in the new page

Step 7: You will get to this page. Click the Credentials tab.

Step 8: Click the Create credentials dropdown and the click API key

Step 9: Your API key is successfully created. Copy the key and save it. You can view your API key any time coming to this page

If you provide the Google API Key, your store will look like this,
And without the Google API key,
That's it!