I´m in contact with the wpml support. they want to help.
the get your form editors translateable by wpml the estimate to steps:
a plugin is needed, to translate the quform shortcodes of the forms
further implementation is neccessary so that the forms get multilanguage capable (without duplicating quforms)
First they estimate, that – to get the shortcode translated – a plugin is neccessary. They provided me a sandbox installation of wordpress with wpml and they ask if i could upload the latest version of your tool on that testing site. But without key this is not possible,or?. how can we proceed?
ps. furthermore they suggest you to be part of that programm