Apps like RoundedUI Pie,Samsung,Oreo,Oxy

Here are some great alternatives to RoundedUI Pie,Samsung,Oreo,Oxy by Gianluca Spadazzi :
BigBlu Substratum Theme
BigBlu Substratum Theme
★4.8
RubiQ Substratum Theme
RubiQ Substratum Theme
★4.3
Alined Substratum Theme
Alined Substratum Theme
★4.5
Victory Substratum Theme +Oreo
Victory Substratum Theme +Oreo
★4.6
Pixel Theme - Substratum
Pixel Theme - Substratum
★3.8
Translucent Substratum Theme
Translucent Substratum Theme
★4.8
Flux - Substratum Theme
Flux - Substratum Theme
★4.4
Iris Monet (F) - Substratum
Iris Monet (F) - Substratum
★4.8
Antares [Substratum]
Antares [Substratum]
★4.5
Iris Monet [Substratum]
Iris Monet [Substratum]
★4.8
Iris - Substratum Theme
Iris - Substratum Theme
★4.8
Liv Dark - Substratum Theme
Liv Dark - Substratum Theme
★4.8
Launcher Oreo 8.1
Launcher Oreo 8.1
★4.6
EasterEggCollection in Android
EasterEggCollection in Android
★4.2
Antares CM13 / 12 Theme
Antares CM13 / 12 Theme
★4.7
AOSP Rom Launcher
AOSP Rom Launcher
★4.0