I can't provide proof, but I _know_ that I tweeted @adom_dev around the time of it's kickstarter and one of the Baldurs Gate EE devs about gemrb around the time they announced that project.
Both tweets are gone.
Both tweets are gone.
The "Tweets & replies" section of your profile (https://twitter.com/eggsome/with_replies ) has two tweets that seem to match your description: