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Nothing outside the APK knows this package by name - an in-house module, or a private SDK. What follows is what the code itself says.

In 20% of apps checked

What it contains4

Classes under this package in the newest build that carries it - Temu 4.90.0.

Each app's newest build, the most recently checked first. Where the version comes from is the file that states it.

App	App version	Classes
Temu com.einnovation.temu	4.90.0	4
KupujemProdajem com.kupujemprodajem.android	3.2.0 build 1288	36
Parking Srbija com.mnocompany.paypark	2.1.18	17
Immich app.alextran.immich	3.3.3	19
Telegram org.telegram.messenger	13.0.3	3
Vita Mahjong com.vitastudio.mahjong	3.42.1	4
Discord com.discord	349.9 - Stable	17
SHEIN com.zzkko	15.4.6	3
Mein dm de.dm.meindm.android	6.20.0	83
Shazam com.shazam.android	16.63.0-261008	3
LC Waikiki com.lcwaikiki.android.global	4.0.64	49
Indomio it.immobiliare.android	26.16.0	7
and more