If he is just looking for help with reading text you could try a
$1. These are what you can drag over a page and have the text read out loud to you. If you have
$1 (link goes to video), you can take a picture of something (like a recipe) and then pull the text from that image. That method would allow you to save the information if you wanted to be able to go back to it and works in a web browser (it looks like the Blindshell has a web browser but Google Keep is not one of the listed apps). The Blindshell DOES have Be My Eyes listed as an app. If you have not explored that it could also be very helpful in locations like the grocery store.