Evrim doesn't clarify what his product is that needs a tablet, so it's hard to offer any specific advice. _BUT_ he should be finding a way to test his product with pen/paper, employee or customer smart devices, or other equipment that the hotel already owns.
That isn't the intention honestly, they don't need to pay for hundreds of dollars to use the MVP. I probably was not very clear in the article.
The problem I'm trying to solve is that hotels are not able to properly collect guest data and upsell to guests. And today's guests expect personalized experiences, but hotels can't offer that in scale. In the long run, it might turn out that in-room tablets are not the best platform, but there is no doubt that the hospitality industry is going in this direction. Looking at a website like hospitalitytech.com, this is pretty much all they talk about.
I considered downloadable guest apps, there were many issues with that. I can get into details if anyone's interested. I also considered smart TVs, but considering I want guests to interact with this at the comfort of their bed, I thought it's not the best solution. Although I'm using React Native for the client, so creating an Apple TV version will be trivial.