Sven’s SudokuPad by Sven Codes

Sven’s SudokuPad finally lets you play your own Sudoku puzzles in the same app as used by Cracking the Cryptic in their videos. Created by Sven, the same developer who has created and improved the Cracking The Cryptic Sudoku webapp over the past year.
It also includes a few brand new classic Sudokus created by Simon and Mark exclusively for Sven’s SudokuPad.
Changelog for v1.2.6:
– Fixes issue where sometimes  puzzle links were not opening correctly
Changelog for v1.2.5:
-Improved thumbnail caching
Changelog for v1.2.4:

• Update to latest puzzle engine
•  Updated dialogs
• Fixed issue with very long replay data
• Fixed issue saving final action update
• Added internal backup/restore tool
•  Added pen tool

Changelog for v1.2.3:

•  Fixes puzzle editing
•  Improved cached thumbs loading
•  Updated puzzle engine
•  Faster puzzle import

Changelog for v1.2.1:

• Fixes: active button colour doesn’t match current theme
• Fixes: Time calculations do not take pauses into consideration

Changelog for v1.2.0 :

• Fixed unresponsive multi-select button
• Fixed edit button visible on uneditable puzzles
• Fixed about dialog interfering with puzzle import
• Fixed progress lost if no digits entered
• Fixed some thumbnail rendering issues