Hacken took part in recording a fundraising song.
read news about it here: http://www.batgwa.com/story.php?id=884
(u can watch the MV here: http://www.youtube.com/watch?v=BTlyZfne3JM&feature=user)
He was also at the recent TVB fundraising show.
read news about it here: http://www.batgwa.com/story.php?id=888
Of course, Hacken has donated money, and he even donated money on Ryan's behalf! He has also asked all his fans to help out by donating money.