marungbukid [1] filed a deletion request for teamviewer [2]:

Confirmed. Input from keyboard and mouse worked for me upon installing
lib32-libxtst package. Is there a way to run teamviewer from login
screen?

[1] https://aur.archlinux.org/account/marungbukid/
[2] https://aur.archlinux.org/pkgbase/teamviewer/