Thank you, will look forward to it.
Found out how!
But! I do not believe you can take games you saved with Checkpoint and get the data onto Activity Log, as Activity log actually stores the save data inside the Activity Log file, not the game. (From what I know.)
(Here's a fun fact: My best guess to how Activity Log works is the system reports playtime of a game, and the Activity Log saves that data for you to view. Same with steps.)
1. Go to Universal Updater and search for "JKSM", and install the .3dsx file.
2. Once done, exit Universal Updater, and go to The Homebrew Launcher, specifically the 3ds folder, and launch the file.
3. This guide, although for Pokemon, works the same here, just with some few minor adjustments. I'll just paraphrase and change some rules:
3.*. This is for exporting the data so that you can you can restore this save later.
3.1. Once opened, select "Reload Titles". (Only do this when it's the first time installing JKSM or you are trying to export data for new software titles.)
3.2. Go to System Titles, and select Activity Log. (It should the the second app to show up.)
3.3. Click "System Save" and select "New". (This is to select a location for your save!)
3.4. You will be prompted to input a name for this save. Name it whatever you want, whether you keep the name it gives you or you change it, it's up to you. You should be done exporting files!
3.+. Note: This will be saved in */JKSV/SysSave/Activity Log/<backup name here>.
4. Now, we want to
backup/export your data, right? Lets try it!
4.*. This is for importing the data so that you can get your logs back.
4.1. Go to Activity Log, and select System Save.
4.2. Hover over the backup name, and press Y to restore it. It will ask you for confirmation, just hit Yes (A) to continue. You should now have restored your Activity log!
4.+. This will work for ANY software, even system software, which Checkpoint does not support.
You now have a more advanced save manager! If you encounter any problems, you can go search online for help, or come back to GBAtemp.