Apps like Rboard Theme Creator

Here are some great alternatives to Rboard Theme Creator by DerTyp7214 :
OREO XPERIA Theme™ | Xperia
OREO XPERIA Theme™ | Xperia
★4.5
COLOR™ XPERIA Theme | BLUE
COLOR™ XPERIA Theme | BLUE
★4.7
GA™ Theme | PURPLE - Xperia
GA™ Theme | PURPLE - Xperia
★4.8
Edition XPERIA Theme | XPERIA
Edition XPERIA Theme | XPERIA
★4.6
XPERIA ON™ | O Purple Theme
XPERIA ON™ | O Purple Theme
★4.2
XPERIA ON | O Cyan Theme
XPERIA ON | O Cyan Theme
★4.7
Nougat Theme - XPERIA ON™
Nougat Theme - XPERIA ON™
★4.8
GALAXY XPERIA Theme |JUST BLUE
GALAXY XPERIA Theme |JUST BLUE
★4.4
Mix™ XPERIA Style | X Theme
Mix™ XPERIA Style | X Theme
★4.4
i XPERIA Theme | OS Style 12
i XPERIA Theme | OS Style 12
★3.9
Themes for Telegram
Themes for Telegram
★3.9
Simple-KakaoTalk Theme
Simple-KakaoTalk Theme
★4.2
Water Drop Leaf Theme
Water Drop Leaf Theme
★4.5
Valentine Theme
Valentine Theme
★4.6
MaterialBlack－KakaoTalk Theme
MaterialBlack－KakaoTalk Theme
★4.9
MaterialIndigo－KakaoTalk Theme
MaterialIndigo－KakaoTalk Theme
★5.0