Apps like GPIO Controller

Here are some great alternatives to GPIO Controller by Alan Killoren :
RaspiCam Remote
RaspiCam Remote
★3.9
Raspberry SSH Custom Buttons
Raspberry SSH Custom Buttons
★4.4
Raspberry SSH & WOL Buttons
Raspberry SSH & WOL Buttons
★4.3
Blue Dot
Blue Dot
★4.8
Bluetooth Electronics
Bluetooth Electronics
★4.1
VNC Viewer for Android
VNC Viewer for Android
★3.6
Axium (requires Axium system)
Axium (requires Axium system)
★3.7
SSH button
SSH button
★4.2
droidVNC-NG VNC Server
droidVNC-NG VNC Server
★4.4
DroidMote Client
DroidMote Client
★3.5
TeamViewer Remote Control
TeamViewer Remote Control
★4.4
Remote Control For FireTV
Remote Control For FireTV
★4.4
LiveSplit Remote
LiveSplit Remote
★3.6
Remote Control for Roku TV
Remote Control for Roku TV
★4.6
Vectir PC Remote Control
Vectir PC Remote Control
★4.0
NetSupport Manager Control
NetSupport Manager Control
★4.3