This program - the official Android client site Skarnik.by. Works online.
1. Russian-Belarusian dictionary contains over 100,000 words. It is based on Collegiate Dictionary, edited by J. Kolasa, C. Nettles and P. Glebko.
2. Belarusian-Russian Dictionary contains more than 100,000 words. This "reverse" Dictionary of the Russian-Belarusian.
3. Explanatory Dictionary of the Belarusian language contains more than 95,000 words. Established on the basis of academic publication, edited by K. Nettles - pyatsitomnika 1977-1984 gg.
Skarnik finalized taking into account current practices and is constantly updated (new words are added, corrected errors, inaccuracies, and so forth.).
Thank you all for your comments and suggestions.