How Useful Is My Smart Phone for Language Learning?

I don't use instogram much, maybeten minutes a day, about ten minutes a day or less. But on my instogram page, i follow some japanese language learning accounts and it's really, really simple. So maybe i'll give you an up date on that in the future, to see how much of it stuck in my mind in an actual speaking situation. Let me know what you guys phink. How useful is your mart phone for language learning? Maybe you have some tips for me and other listeners that you could share that would be really good. Or maybe you think it’s not a great idea. We should avoid smart phones if possible. Lets