It is not a standalone application. The theme requires the Kustom Live Wallpaper Maker PRO app. The Squares theme for KLWP supports all screen ratios. To change the default color (red) to another that you must select in KLWP
Supported Android
{4.0 and UP}
Supported Android Version:-
Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1) – Pie (9.0)