The games and events that can be gambled online in Portugal are chosen by the SRIJ. Sports betting is currently legal, including both pre-match and in-play wagering. The SRIJ keeps a list of sanctioned sporting occasions and contests for which wagering is permitted.
For playing on Pokerstars.pt with Portuguese residency (EU citizen, living 2 years in Portugal), the Pokerstars download brings me Pokerstars.EU.