In Tetris Effect, seven different types of tetrominoes fall from the sky into a grid-based board. Your job is still to rotate the shapes and drop them into place en route to clearing full lines.

but if you manage a rotation, it will likely not be the Tetris Friends recognized T-spin. Because the covered spaces are rather cavernous, use a conservative approach. Open the tops of the empty ...

[Graham] designed this PIC based Tetris game on a single board ... making sure that rotation won’t cause a collision with another piece or go out-of-bounds, and looking for completed lines ...

or if you miscalculated and don't have room to actually move or rotate the tetrad into place. In Tetris Friends, the only the T-block spin will count towards extra scoring; the other J/L and Z/S ...