Chomp SMS (Latest APK)
Lots of cool features like passcode app lock, privacy options, scheduled SMS sender (reminders, birthday wishes), stop a text while sending, pin favs to top, backup, blacklisting / SMS blocker, signatures, text snippets, quick reply popup (even on lock screen), multi-select picture gallery, dual sim, better MMS and GROUP messaging and much more....
Plus unlimited customisation options for notification icons, LED colors, ringtones, vibrate patterns, screen colors, font types, font sizes and background wallpapers. Go on give it some bling!