Unlike EH, the Level 11 software would need permission from Microgaming because of the games, so is unlikely to come back. It is believed that "level 11" didn't even exist, and it was Microgaming all along, who had simply created a version stripped of their corporate branding, with an illogically derived subset of games so as to allow the claim that they had "licensed some games to the developer" to have credibilty. When Level 11 pulled out, it was all down to Microgaming, and had this been a TRUE sublicensing arrangement, this would have been a breach of contract that would have driven the level 11 developer out of business overnight, yet despite this there was not a peep of dissent from them, they happily rolled over and died just because MGS asked them to. This would NEVER happen in the real business world; the employees would kick up a fuss about their overnight redundancy from a completely solvent business, and the board/owners would not let their investment vanish overnight, along with their jobs and boardroom salaries. Instead, they would at least insisted on MGS upholding their side of the existing licensing arrangement, and it would have just meant no more MGS games. The developer would then have pulled out all the stops to get their own portfolio of games developed.
Instead, it was the OPERATORS that acted. They found "partners" to refer their US players to, with Jackpot Capital getting Jackpot Factory players for example.
For US players, they will have to await regulation, which could then be followed by Microgaming coming back to them through US licensed operators.