To save all your data and apps from your previous version, please follow these steps:
1. Before you download Remix OS Player version: 1.0.102, find your RemixOSPlayer folder
2. Go to: 'RemixOSPlayer > remixemu > avd > Remix_OS.avd'
3. Make a copy of the file named 'userdata-qemu' and save somewhere you can find (ie. desktop)
4. After downloading this update (http://www.jide.com/remixos-player#download) paste the 'userdata-qemu' file into the 'Remix_OS.avd' folder before your first boot
5. Run Remix OS Player and you should have kept your apps and data from before