My apad (7" poor man's Android tablet) has arrived ..

Rooted it
and I've rooted it

• Instruction is here.

Added busybox

1. Download  and copy it onto /sytem/xbin
2. Run  "chmod 0755 /system/xbin/busybox"
3. Execute busybox command: busybox <one_of_busybox_supported_command>

ADB over wifi

1. Download adbtcp.sh and copy it onto /system/xbin
2. Run "chmod 0755 /system/xbin/adbtcp.sh"
3. Run "adbtcp.sh"
4. On PC: run "adb kill-server"
5. On PC: run "adb start-server"
6. On PC: run "adb connect <IP_ADDRESS>"

Alternative way:
Assure "service.adb.tcp.port=5555" exists in one of below files:
/default.prop
/system/build.prop
/system/default.prop
/data/local.prop