Girls Theme only works for Go sms pro! This a new theme for Go Sms Pro, Girls Theme, its a great theme. To apply the theme within Go sms pro > Menu > Settings > Appearance Settings > Theme selection. What is Go sms pro? Go sms pro brings you cool UI, fast and convenient sms/mms experience. Go sms Pro is the most popular messaging app, huge enhancement for stock sms, much faster, more functions, tons of settings.