1. Head over to the Glide website (https://www.glideapps.com/).
2. Click on "Get Started" and sign up using Google or your preferred email.
3. Once you're signed up, log in to your account.

1. On the Glide dashboard, hit the "New Project" button.
2. When prompted, select the "App" option.
3. You can choose a template or start from scratch. For a real estate listing app, starting from scratch might be better for full customization.

1. Open Google Sheets and create a new spreadsheet.
2. Create columns for your real estate listings, like Property Name, Location, Price, Description, Images, and Contact Information.
3. Fill the sheet with some sample data to make app creation easier.

1. Go back to Glide and select "Google Sheet" as your data source.
2. Pick the Google Sheet you made in Step 3.
3. Glide will automatically pull the data and create an initial layout for your app.

1. In the Layout tab, tweak your app's design by customizing components.
2. Add a "List" component to show your real estate listings.
3. Customize the list to include details like property name, location, and an image thumbnail.
4. Click on a list item to set up the detail page, where more detailed information should be displayed.

1. In the detail view of a listing, add individual components like Text, Image, and Button to show various property details.
2. Make sure images of the properties are displayed correctly by using an Image component linked to the Images column in your sheet.
3. Use the Rich Text component to insert property descriptions.
4. Add a Button component with actions like "Contact Now" linked to the contact information.

1. Click on the Settings tab to customize app-specific settings like privacy, sharing options, and app name.
2. Change the app icon and appearance to match the branding of the real estate business.
3. Set visibility rules if certain listings should be public or private.

1. Use the preview feature to test the app on different devices and screen sizes.
2. Make sure all links, buttons, and navigation work as expected.
3. Check to see if the data is correctly displayed and formatted.

1. Once you're happy with the app, go to the "Share" section.
2. Get a shareable link or generate a QR code for easy access.
3. Optionally, publish the app for broader distribution by enabling the appropriate settings.

1. Regularly update the Google Sheet with new listings or updates to existing ones, and the app will auto-sync these changes.
2. Check user feedback and continually improve the app's interface and functionality.

By following these steps, a fully functional real estate listing app can be effectively created using Glide.