hi giboon29, are you trying to build the wallet from source? there is a github link which should work:

Wallets
Windows: https://github.com/ohac/sakuracoin/releases/download/v0.8.7.2/sakuracoin-0.8.7.2-win32.zip
Linux: https://github.com/ohac/sakuracoin/releases/download/v0.8.7.2/sakuracoin-0.8.7.2-linux.tar.gz
Android: https://github.com/ohac/sakuracoin-wallet/releases/download/0.10/wallet-0.10.apk
Source: https://github.com/ohac/sakuracoin/releases