There are lots of creative and motivating apps available at google play store and apple store. One of the best apps I would like to suggest is the Curiosity app for ensuring daily learningCuriosity app for ensuring daily learning. I've written a detailed article on it
There are many apps that keep you engaged. You can use it for many things. It depends how you use it. My 7 years old kid use it for bad time rhymes, my wife use it to find recipe of food and I use to get tones of lead through it. It's you how you should spend time on it.
Well, here are a few categories that could keep you busy and distracted just like you could waste your entire day scrolling up and down, or you could whole day busy at learning new skill through skill share. It all depends on you. I booked Zifan Hotel & SuitesZifan Hotel and Suites through Airbnb and it would be the best decision. This is a very useful app for travelers and you could check for hotels.
There are apps that keep you busy at home: