Pleroma supports custom front ends. There are efforts underway to create improved front ends for Pleroma as well as native mobile apps. There is also an effort to make federated instance hosting very simple and cost effective.
https://soapbox.pub - Desktop/mobile front-end for Pleroma
https://tribes.host - Pleroma/Soapbox hosting (in development)
http://www.b4x.com/android/files/Pleroma.apk - Native mobile app front-end for Pleroma
