StarTools can also be entirely operated by touchscreen with all controls appropriately sized for finger-touch operation.
The 'AutoMask' button launches a popup with access to two quick ways of creating a star mask.
Bin the image up until each pixel describes one unit of real detail.
AutoDev will keep solving for a global strecth that best shows the detail in your RoI.
You are forgiven if, at first glance, you get the impression StarTools offers only the basics.
You can convert everything you see to a format you find convenient. Give it a try!