A fork is needed, and sooner rather than later. There is huge competition from new coins with better PoS spec.
In a Fork, I would recommend changing coin age to Min 1 day, Max 7 days, 200% stake in year 1, tapering down.
Forking it is not as simple as just finding someone to host the checkpoint server and modifying the code.
You also need to get all the mining pools and exchanges onside and get them to all to agree to update their wallets, then you need all the users to do it.
It goes without saying you need to know the wallet will be rock solid before releasing it too.
Also even though the dev doesn't post he is keeping the checkpoint up to date, so he could still at any moment come back and request the exchanges not to accept a take ver as its his coin which would stop it all.
If you can get that all to happen then that would be great, but it involves people putting in a lot of effort..
Setting the stake to 1 day and setting it to 200% interest for the first year would completely kill the coin in my opinion.
The whole reason of POS is to get people to hold it in their wallets, if you only need to hold it for a day to get your stake and interest at 200% PA you would have to completely get rid of mining which would mean more radical changing of the source, I also believe it would still lead to rapid devaluation of the coin.
The whole concept of this coin was to keep its value balanced.