When reaching 100 per cent, application starts over from 0 in endless loop

[vasyugan]

After the .akp from f-droid.org did not work for me (see issue #4) I have now tried the akp from Google Store, and here, the app does not crash, but it always starts over when reaching 100 per cent. I have put it away and let it run and I found that after six hours or so, it was still busy indexing my contacts. Tried on a Fairphone FP1 with Android 4.2.2 ("Faiphone OS")