Watching Way Back Home and for contemporary fans the only reason it is at all memorable is that Bette Davis has a supporting role might make one wonder what people saw in it. Thinking about it you must remember in the height of the Roaring Twenties the American people elected Calvin Coolidge as president who had just such a cultural background as did the folks in Sundays At Seth Parker's. I'll bet Coolidge was a devoted listener.
Phillips Lord's Seth Parker is a local community leader and preacher of sorts in a rural Maine community. In this era of no mass media things like a Sunday gathering at the preacher with some community singing was not uncommon. By the way check out Joel McCrea's Stars In My Crown also about a rural preacher in a bit earlier an era in a different part of the country. Note the community singing there among the young people.
The main story in the film is that Lord and his wife Effie Palmer took in young Frankie Darro after his mom died and raised him as their own. Darro's real dad Stanley Fields has been in and out of trouble for years, but now he wants to lay claim to his kid.
Another subplot involves Bette Davis as a good girl being courted by Frank Albertson who as they said back in the day was born on the left side of the blanket. Mom never married dad and Davis's mom Sophie Lord won't have her daughter going out with him. Dorothy Peterson is Albertson's mom and she is shunned by a lot of the puritanical types in the town.
Let's say the two strands of the plot come together and it all works out for all except Fields.
I think I can safely say Way Back Home will not see a remake any time soon. As it is it's picture of a bygone era or one rustic curiosity, you take your choice.