First, simply point the camera and tap. It will read the first block aloud. Then, tap to read the next block and so on. Double tap to reset.
For people with low vision or who can't read.
Completely free. No ads. Works offline. No login.
Known bug (will fix if this app is of interest for many people):
1) Does not handle well words split on different lines
Known limitation:
1) Only works for English