Tiff Photo Viewer is a free Android image viewer that supports TIFF format. It displays a list of TIFF files saved on the device and allows users to tap an image to view it in full screen. The app also allows users to zoom in and out of the image by pinching.

One thing to note is that if the app hangs, it may be due to memory issues. This can be resolved by reducing or deleting the TIFF image stored on the device or lowering the image quality setting. Additionally, if the user is unable to see their photos, they may be able to do so by restarting their device or moving the TIFF file to their photos folder.

Overall, Tiff Photo Viewer is a simple and straightforward image viewer for Android users who frequently work with TIFF format images.