staking.AddEscrowtransaction, there is a number of wallets and custodians that support staking and delegation on the Oasis Network. Those include:
staking.ReclaimEscrowtransaction, your tokens will, to ensure the network security and robustness, enter the debonding period defined in the genesis document. Currently, this period is 336 epochs (around 14 days) and no staking rewards are earned for the duration of this period. Afterwards your ROSE will be free to use.
oasis1wallet address. Check the "Amount" column in the "Escrow Active" section to see all your active ROSE delegations.