Not sure if you've solved your problem or not, but i'll still answer your question.
Yes you are able to download it if you follow these steps
1. Download emuNAND tool (you can find it on google)
2. Insert your SD card in your computer and use the emuNAND tool to make a backup.
3. Add rxTools files to your 3DS and open your emuNAND with rxTools if you select rxMode.
4. Update your emuNAND and relaunch it with rxTools again.
5. Go to eShop and download everything you want before restoring your emuNAND.
6. Exit emuNAND and reopen rxTools (this time don't go to rxMode).
7. Go to Dumping thingy, NAND files, select emuNAND with Y and select title.db to dump it to your SD.
8. Turn off your 3DS and insert it in your computer.
9. Open emuNAND tool to restore your emuNAND
10. You're not done yet, because you need to open rxTools, go to Inject thingy, NAND files and title.db to inject it to your emuNAND with 9.5
11. Reboot your 3DS and you're done. You can now play Pokemon Rumble World on your 9.5 emuNAND!