We were able to use Frame Wallet with Otterspace, but only by first using the Frame browser extension and selecting ‘appear as Metamask’. Here are the instructions.
Using Frame for claiming Badges
Badge art is visible in wallet interface
❌ Not possible to import custom NFT contract
Using Frame for issuing Badges as a DAO admin
Raft Token art is visible in wallet interface
Raft Token is transferable via wallet interface