I'm looking for an Android app to add lines to an opening book...

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beteljeuxe

Hi, I don't know if anyone will be able to help me, but I would need to know if there is an android application that allows me to add lines to my opening book (for example how it is possible to do with Fritz 18 or with ChessBase 16). As much as I searched I couldn't find anything. Normally on mobile I use DroidFish which allows me to manage my opening books, but not to add new lines or games to them. Thanks in advance to whoever wants and will be able to answer me.