Please keep in mind the theme selector has bugs , I have tested this on multiple devices with your questions , but your results may vary. With a recent bug you will need to apply by going to the styles in the Theme Manager and fonts and wallpapers as you want .
For More Info Google Play
Supported Android
{5.0 and UP}
Supported Android Version:-
Lollipop (5.0–5.0.2) or UP