NOTE: this file was created so you could see what current revision of OPL you are using when you look inside this folder.

1) copy this file to your OPL folder on your memory card.
2) when updating to a new OPL version, delete the old file and transfer the new one--that's if you always use the Daily Build version.

Also keep in mind that new Daily Builds of OPL, you can also see the current version in the ABOUT page.