Merge pull request #169 from Urban82/master

Updated italian translation for ringtone None
Updated czech translation for ringtone None
Update Korean translation
Merge pull request #171 from changwoo/master

Update Korean translation
Merge pull request #170 from svetlemodry/master

Updated czech translation for ringtone None
fix invisible scrollbar
update gradle file
start the service when entering into a loading entry
v1.6.5
improve play store banner
improve play store banner