What's changed (version 6):
-Fixed the screen clear's palette format when using the hardware renderer.
-Fixed a bug that made the game speed unstable due to a mistake in calculating the frame rate.
-Other fine tuning.
Development status:
-I'll release the source code with the next (probably update it this weekend) version. Please just be a little more patient.
Items to be fixed in the next version
-Undecided"
Thanks to b8a for the great Translation , download via comments