Badger Wallet for mobile phones now allow you to sweep SLP tokens from a paper wallet!
Get it: badger.bitcoin.com
https://news.bitcoin.com/cold-storage-and-bearer-bonds-how-to-print-an-slp-token-paper-wallet/
Anyone knows how to open a Badger Wallet address on Electron Cash (redundancy)?
I've used the same derivation path of m/44'/0'/0' but it seems I am still missing something...