PNG files are a popular format for images on Android devices. They can be viewed in many ways, including through the Gallery app, Google Photos, and the Google Play Store. To view PNG files on Android, you first need to install the PNG viewer app. This app can be found in the App Store or Google Play Store. Once you have installed the PNG viewer app, open it and click on the FILE button to open a file browser. In the file browser, you will see a list of all of the PNG files that are currently stored on your device. You can select any of these files to view them using the FILE button at the top of the file browser.