On 2/28/12 we have submitted wer-kennt-wen.de to be included on addthis button. To date we have not heared anything concerning to approval process.
Regarding your auto-response mail it'll take you up to 6-8 weeks for adding any new service. This should have been any date around 4/10/12 to 4/24/12. Please advise us on status. Thanks.
Head of Product