If you look at their Github account, there hasn’t been a commit to their Android app in 3 years: https://github.com/kartaview/android
However, their Google Play listing shows it was last updated on February 8, 2024. https://play.google.com/store/apps/details?id=com.telenav.streetview
When Grab Holdings acquired KartaView, did they just take the open source code and start working on a proprietary copy? It’s MIT licensed which allows commercial use.
It’s not on F-Droid because it’s now proprietary.
Well I guess there’s your answer