The only Local Orthodox Church of Ukraine. Official website of the PCU
https://www.pomisna.info/uk.
The application was created by God's grace and with the blessing of Archpriest Mykola Khrapach, rector of the Holy Intercession Church in Poltava, the Orthodox Church of Ukraine.
The "Sluzhebenyk" of the UOC-KP publishing house, Kyiv 2012 was taken as a basis. The appendix contains the Holy and Divine Liturgies of St. John Chrysostom, St. Basil the Great and the Presanctified Gifts. There are text size settings, and night mode.
It is recommended for liturgical use for the glory and honor of the Holy, One, Life-giving and Indivisible Trinity - the Father and the Son and the Holy Spirit.