Any suggestions on how to keep a mostly deaf, blind and immobile mother occupied?

I can relate so well. I see my 94-year-old dad twice a week at his MC & he acts like I came down from heaven. He has very poor vision (macular degeneration), is very hard of hearing, & "not a terribly creative or motivated thinker". Never has been. When I got his mobile phone, he was not as cognitively impaired, but he asked the most detailed & complicated questions such as: how does it work, what happens if I push this, how come my weather hasn't updated, how do I get to the time, how does the signal transmit, should I charge it every day etc, etc. It was exhausting, since he asked me the same thing EVERY week! I suppose most people would think that it is great that he is so curious. And if I told him "I don't know, just use it & don't worry about it" he looked at me as if I was the dumbest person he had ever seen! Now that he is more impaired, getting him an Alexa is out of the question for the previous reasons. Plus, I think he'd lose interest quickly &/or forget how to use it. He enjoys my visits, but I can only handle going to his MC twice a week. The VA supplied visual assistive devices but he says they don't work or he forgets where he puts them. The staff are not particularly creative or helpful, in this regard. The only activity/distraction he has is me or my husband. He's isn't interested in "childish games". I even tried working together on a crossword puzzle where I would read the clue & # of letters & see if he could come up with answers. This worked for about 3 out of 10 words, so I gave that up.