There is an exam called Adobe® LiveCycle® ES2 Form Developer ACE Exam
(9A0-156). Detailed description is here
http://www.adobe.com/support/certification/exams/pdfs/ACE_Exam_Guide_LiveCycleEX2_FormDeveloper.pdfYou
can find all details about available certifications here:
http://www.adobe.com/support/certification/exams/Pawel