English and international: PPSSPP Forums!
Chinese: PPSSPP Tieba community
It's #ppsspp on Freenode (moved from EFnet).
NOTE:Before e-mailing, please refer to the FAQ.
Henrik, the project founder, can be reached on [email protected]
Henrik's own company is Millionth Line AB.
He works at Embark Studios.
He recently worked at NVIDIA, and previously Soundtrack Your Brand.