There are a number of reasons you might want to access your save game - maybe you need to move it between devices or maybe we've asked you to send it to us to assist in reviewing a possible bug.
On some devices, it may be possible to access your saves by plugging into a PC, for others you will have to use a file explorer app on your device (Androzip and ES File Explorer are two good free examples). In either case, you will have to navigate to the folder “Documents/Sports Interactive/Football Manager 2020 Mobile/normal/games”
The .dat files are your save games, and there can be up to 6 of them. The Manual Saves are named fm_save1.dat through to fm_save4.dat with the name listed after the date on the save. The files hidden.dat and hidden2.dat are the current rolling Automatic Save files on the device (saving alternates between the two, the most recent is on top).
Go to Settings -> User Interface where there will be a button to download them.
If you've got more than one device, if you've bought a new device or if you have done a full reinstall on your current device it is possible to restore your in-app purchases on a fresh copy of the game.
Purchases may automatically update upon installing onto a subsequent device from Google Play. In the event that they do not, simply make sure you are logged into the same account which was used for purchasing the items in question, then select [Restore Transactions] from the bottom bar of the Store menu page. Wait a few moments - your transactions should then be restored.
This is an unlockable feature! First you need to get a national job during normal play and win an international tournament. This will unlock international management, after which you will be able to start as a nation in new games.
Alternatively, the unlockable 'Manage National Team' can be purchased in the FM Mobile store, which can be found linked from the game's main menu or from the [Options] menu within a career.
For International tournaments (such as the World Cup), it is necessary to call up a certain number of players - usually 23 - to the national squad. In these cases, squads cannot contain more than, or less than, the stated number of players.
This is unrelated to the number of players you have picked in the team. There are 11 first team slots plus 9 substitute slots available to pick, so you will usually need to have 3 players called up who are not selected in the team.
If your current national squad contains the wrong number, you will be told the required number when attempting to confirm your squad in the News message. You will need to remove any excess players or call up additional players if you do not have the correct number in your squad.