Usar o APKPure APP
Obter o APK da versão antiga de Tubex para Android
Coloque os tubos da mesma cor para fazer quadrados.
Put tubes of the same color to make squares.
Created square will disappear and you will get a score.
You will get additional score for speed of creation.
From level to level number of tubes will increase.
And number of squares you have to create will increase.