Translating eSteem Mobile English - Japanese

Repositry
eSteem-surfer: https://github.com/esteemapp/esteem-surfer
eSteem mobile: https://github.com/esteemapp/esteem-mobile

Project Details
eSteem(@esteemapp) is very useful explorer developed by @good-karma. It works on iOS and Android.

Contribution
I translated 779 + 15 words.