Add e-signatures to images and documents with Android Cloud SDK & REST API. eSign PDF, Word, Excel & presentations with numerous signature types....DOT, DOTM, DOTX, RTF Excel : XLS, XLSB, XLSM, XLSX, XLT, XLTM...DOCX, DOT, DOTM, DOTX Excel : XLS, XLSB, XLSM, XLSX, XLT, XLTM...