A lot of development needed so some countries will accept bitcoin as payment but the problem is the government and other bank who are against on bitcoin.
As soon as people in those countries is actively seen more engaged in world of cryptocurrencies, government will surely do some regulations and it's a great step for bitcoin to become fully legalized in that country.
And once it was recognized as legal currencies, surely most of the merchants and local stores on that country will now consider adding bitcoin in their payment methods. One of the factor why merchants and stores is having difficulty if they will accept bitcoin as payment method is because of the question about the legality on it. Well just give time to make all process be completed and soon we can see a more healtyh crypto activity on a certain country.