During a trip, especially a long one, this is a difficult task that requires preparation and skills. First of all, you need a few power banks and gadgets, just in case. Connectivity is also sometimes difficult to find, so you need to climb to the tops. You can starlink, it has a good connection. I usually take several gadgets, including a tablet. It is very convenient, and in the evening before going to bed you can play your favorite game, here is a list of my favorites https://www.techmeup.fr/8043/les-10-meilleurs-jeux-pour-tablettes-android/
In general, you don't need much: a few gadgets, power banks, and a starlink.