G-CPU:Monitor CPU, RAM, Widget

Assistant for Android

ToolBox

Testy: Test your phone

Signal Detector

Wireless ADB: ADB over TCP/IP

Shizuku

Mtk Engineer Mode

Test My Android Phone

Android Device Manager PI

Unicorn HTTPS: Fast Bypass DPI

ExitLag: Lower your Ping

Tooly - Tiny Tools Collection

PowerFTP (FTP Client & Server)

Accu​Battery

Set Mobile Data

DevCheck Device & System Info

MediaFire

Firewall Security - No Root

Floating Apps (multitasking)