SignFast is the simplest and the fastest way to Scan snd Sign your PDF documents on your Android phone
Its absolutely FREE!
Simple and Easy to use
App supports:
* Scanning Documents and Composing Documents
* Editing Documents
* Signing with your Signature.
* Adding multiple Signatures.
* Adding names/texts.
* Share/Send to Email, Whatsapp and etc.
* Adding custom watermark or stamp
* Printing documents
* Super small app size
* Exporting to you device (Supported only for Android 9 and bellow)