You'll need :

1. Android Studio - Download and Install it from here - https://developer.android.com/studio
2. OpenWeatherMap API key - Sign up here - https://home.openweathermap.org/users/sign_in and get it under the API Keys tab.

Steps to Implement :

1. Download and extract the ZIP file.
2. Open Android Studio.
3. Click on Open
4. Locate the File
5. Click OK
6. Trust the Project
7. Replace YOUR_OPENWEATHERMAP_API_KEY in res/values/strings.xml with your actual OpenWeatherMap API key.
8. Open the Main Menu --> Build --> Generate App Bundles or APKs --> Generate APKs (A notification will appear saying Generate APKs)
9. Click on locate and that's the required APK.

Suggest some Improvements!