Today, i published IntegralCalc 1.0.1 and Sudoku Solver 1.0. Those are the changes:
I finally found the bug that caused it to crash for some people from the very beginning. It occurred when orientation was changed while the ProgressDialog was displayed. This is now fixed.
Sudoku Solver 1.0:
I made the solve-algorithm work more efficiently and therefore increased the speed, especially for Sudokus that are on high level. Furthermore, I added a French translation which I hope is somewhat acceptable ;)