Changing your Hotmail password on an Android device is crucial for keeping your account secure. Here's a step-by-step guide on how to do it:

1. Open your Hotmail app on your Android device. If you don't have the app, download it from the Play Store.
2. Sign in to your Hotmail account using your current password.
3. Tap on your profile icon or settings gear icon, usually found in the top right corner.
4. Select 'Account settings' or 'Manage account' from the menu.
5. Look for the 'Security' or 'Privacy & Security' option and choose 'Change password'.
6. Enter your current password for verification.
7. Now, enter your new, strong password. Make sure it is unique and not easy to guess.
8. Confirm the new password and save the changes.
9. Logout of your account and log back in with the new password to ensure it's working.

Remember to regularly update your password and never share it with anyone to maintain your account's security.