Find your seed using: https://github.com/gurnec/decrypt_bitcoinj_seed

Then import the seed to "Breadwallet" (iOS/Android) or "Simple Bitcoin Wallet" (Android).

If you can't use BreadWallet or SBW... then my python scripts will help get private keys from MBHD wallet: https://github.com/HardCorePawn/multibit_recovery

Or you can do it manually... create offline copy of https://iancoleman.github.io/bip39/, put in your seed, set Derivation Path to BIP32, set client = MultiBit HD, get addresses/keys. then set client = custom and bip32 derivation path = m/0'/1 and get change addresses/keys.

Import keys into another wallet like Electrum