TR150 Easy Mobile Printing With Direct Wi Fi Connection 

This video provides step by step guidance for mobile printing to TR150 by using Direct Wi-Fi connection. The setup is quite easy. So far no problem for printing from any Apple or Android based devices.
For Apple devices, printing can be done via AirPrint.
For Android devices, some might have Mopria built-in, but some does not. It is advisable to use Canon PRINT Inkjet/Selphy apps (free from Play Store or Apps store) for printing, whether with the presence or absence of the Mopria Print.
Wireless printing with Windows laptop via Direct Wi-Fi Connection is possible, only that the laptop requires a proper driver installation for TR150.