-- You can create your Digital Sign with Digital Signature and create jpg image in your sdcard.
-- Digital Signature app provide you to two option auto and manual.
-- User can using any of them create jpeg format image in his/her external memory.
-- You can also using your handwritten or marker create image and customize them.
-- If you want you can share with social media and SMS/Email.
-- There are multiple style available for auto creating signature.