Saying that "Is this... the end?" is a modern version of Galaga, means that it maintains the original's set-up (the player controls a ship at the bottom of the screen and the aliens attack from above), but it adds some new (or not so new features), like:
Various power-ups (and power-downs as well)
Various particle explosions
Varying enemies which get smarter as the player advances
... and more, as nothing is fixed yet
OK, it may not be earth-shaking, but it could result in a fun little game. After all, fun is what it is all about.