Try using the same settings as I have for those who gets disconnected while farming
Nope. I use my fb account to login. Uninstall your facebook app so you can sign in using a browser.
I think the only thing you can avoid using cheat is with brawl. Everything else would be safe to use the mod. I think that's why they only limit the atk speed, move speed and atk range to 5. So that it can still be safe.