Focus N Filter for Android
Focus N Filter app will allow you to create beautiful signatures with your finger tip. You can save created Signatures and use it for signing the emails and documents.
Focus N Filter app will support Finger Tip Art.
All you need to do is just open the app and select the color of the ink to sign and select pen/pencil size and start draw your sign using Signature Maker app.
Focus N Filter App is free to download from Google Play.