If you mirror this image on Tetris Friends or on many modern Tetris apps it will not work because it does not follow the 3-corner T-Spin algorithm.

However, you can do an S-Spin leading into a T-Spin Triple:

Alternate way to make a TST:

The T can also be used in the spawn orientation, resulting in an L-Spin Triple:

L-Spin to S-Spin Triple:

Empty Field Setups

Double Triple Cannon 2 Transfer

You can also do an I-Spin Single and transfer to a Double Triple Cannon 2.