create a custom square table layout
game layout with progress bar, score and level text views
use SquareTableLayout in game activity xml and align to bottom
create custom attr rowsCount for SquareTableLayout
extract rowsCount custom attr inside SquareTableLayout constructor
set rowsCount attr in xml
create CustomTableRow that takes into account rowsCount
add 5 CustomTableRow(s) in game xml
custom columnsCount attr for CustomTableRow
specify columnsCount attr in xml
create SquareButton and show usage example in game xml