Excellent! We will wait on PIVX for testnet V4. DigiSafeGuard app is coming by the way. Hopefully this month. Everything is progressing smoothly 
Keep an eye out for the news
Keep an eye out for the newsTestnet v3 and secure messaging were announced for mid July. Testnet v3 has been launched in the mean time and indeed I suppose it will be only a matter of a few days for the messaging service.