Bitcoin Wallet Crash Report
Before doing anything I would make some extra copies of those files onto some other media.
I think you should probably be able to download the latest version of the &quot;Bitcoin Wallet&quot; for Android (less ambiguously known as the Schildbach wallet) onto a new Android device, copy the backup file to the device, and then use the wallet's features to recover from those backup files. Menu, Safety, Restore, specify file. You might need to know the password you chose.
If a password was set, the files will be encrypted. There are programs that can help to find a password if you have some ideas about the password. One is btcrecover:

Bitcoin wallet password recovery support for
[...]

Bitcoin Wallet for Android/BlackBerry spending PINs and encrypted backups