ZDevs

ZArchiver - is a program for archive management. It has a simple and functional interface.
Allows you to work with various types of archives: 7zip, zip, bz2, gz2, tar and others.

Google Play: https://play.google.com/store/apps/details?id=ru.zdevs.zarchiver

AppGallery: https://appgallery.huawei.com/#/app/C101456705

ZFlasher STM32 is an Android application for programming ARM, RISC-V
and STM8 microcontrollers using the programmer. Supported family:
STM32, GD32, AT32, CH32, LPC8xx/11xx, nRF51/52, STM8 and others.

Google Play: https://play.google.com/store/apps/details?id=ru.zdevs.zflasherstm32

AppGallery: https://appgallery.huawei.com/#/app/C107946169

ZFlasher AVR - program for flash AVR microcontrollers. The application is based on avrdude - one of the best flasher.

Google Play: https://play.google.com/store/apps/details?id=ru.zdevs.zflasheravr

ZUGate - allows you to access USB drives and disk images with FAT,
ExFAT, EXT2/3/4 and NTFS file systems. Supports encrypted devices (LUKS
1, LUKS 2, and BitLocker drive encryption formats).

Google Play: https://play.google.com/store/apps/details?id=ru.zdevs.zugate