Available on Android and coming to iOS soon, you can now create and sign multi-sig transactions on Nova Wallet with support for Ledger, Polkadot Vault, and proxies.
Polkadot People Chain has launched Referendum 1783, requesting 3 million HOLLAR to incentivize mass proof-of-personhood onboarding. This funding is split into a one-time bootstrapping grant of $50–$200 for new users, $10 per week for active participants, and large weekly and monthly random prize drops ranging from $250 to $2,500.