I want to know where they are as well. 
Partiko, Busy and Esteem haven't been involved in any discussions about Communities either. We need them involved in something that will profoundly effect their interface and may make them antiquated. I believe it's important to have multiple interfaces and be able to mention decentralization. 

But yeah if you can clearly write exactly what the issue is with steempeak on mobile that will help... remember the developer is not english native speaking and you have a very unique style of english. Be very clear and concise.