It is a simple image viewer that supports TIFF.

Display a list of tiff files saved on android device.

Tap the image to see it in full screen.
You can enlarge / reduce the image by pinching in and out.

Remarks
If your app hangs you may be out of memory. It may work by reducing or deleting the tiff image stored on the device or lowering the image quality setting.
If you don't see your photos you may be able to see them by restarting your device or moving the tiff file to your photos folder.