SSL filtering is possible but it's really hard to implement.
The main problem is that installing root cert for decrypting traffic is very complex and cannot be automated for non-rooted devices.
i have full version of Adguard For Windows and i am also using the latest beta version of firefox extension..... but sometimes the extension blocks ads instead of changing to all and at that time if i use the extension to manually block ad(using the option block ad on this website ), instead of...
Like streewolf though i do prefer a Windows App but mainly because i feel easier to mange things and can minimize it, just hope you fix that issue of it not maximizing - .-