Damn, can't connect on the android app (Tusky). The oauth tokan won't be redirected to the app, but I dunno if it's because I'm using Privacy Browser or because there's no google app or service available on my phone.
@Killiox tusky auth worked for me. Android 7.1 not in incognito tab
@Killiox default Chrome
@mfa ouch, not what I'm using. Since I try to remove anything "googly" from my phone and tablet, I can't really be bothered to install Chorme just for an oauth token. I wonder if I can get the system to work on Twidere...

@Killiox @mfa what android are you on?@vincib said this morning : "Reminder: you can't access any of the "HTTPS: A+" instances on https://instances.mastodon.xyz/list

if you are using a mobile phone with Android < v5 (so 4.1, 4.4, can't access those websites)

Statistics on mamot.fr since this morning :
2673 hits with TLSv1 & 1.1
357951 hits with TLSv1.2" I would link to his toot but I don't know how