Pustaka Si Badia, Kitab Enden-Enden, Liturgi 52 Minggu in one App. Can be used as an app in praise and worship for Gereja Batak Karo Protestan (GBKP) congregation.

* Pustaka Si Badia is translation made by Lembaga Alkitab Indonesia.

This app includes:

- Pustaka Si Badia,
- Kitab Enden-Enden,
- Penambahen ende-Enden,
- Supplemen ende-Enden ,
- Kidung Jemaat with Audio,
- Liturgi 52 Minggu,
- Blocking internet feature to remove distraction in worship time.