Samsung has just announced the availability of the new Galaxy Ace Duos, a new dual-sim phone which is said to have the ability to forward a call received on one SIM to the other SIM via the feature called “Dual SIM always on.” For those who have been following Samsung’s releases, you may recall that the Galaxy Ace Duos had been launched sometime in February. Back then, Samsung said Galaxy Ace Duos was supposed to be a dual-SIM phone too. Truth be told, it doesn’t really have a Dual-SIM capability....