The LineEmUp app can be used to line up anything. You can chose a fixed alignment sight line, or a floating sight line with or without a level line. A sight line and date embossed picture can be taken by this app to prove the alignment. LineEmUp allows you to use the camera zoom for best accuracy. Here are some examples of what LineEmUp can be used for:

Lining up cars, boats, RVs, trailers in open areas
Lining up cars and trucks at dealerships
Placing merchandise in stores
Aligning construction supplies at job sites
Arranging chairs at events, like weddings and graduations
Planting trees
Planting gardens
Mowing and brush cutting on boundaries
Making trails
Marking athletic fields
Aligning landscaping features
Aligning pictures on a wall
Interior decorating
Aligning furniture for real estate showings
Placing fence posts
Confirming vertical level of posts
Placing safety cones in construction zones
Erecting temporary fencing for events
Placing buoys
Aligning windows, doors and siding during construction
Aligning subjects for photo shoots
Aligning booths for trade shows and conventions
Aligning catered food placements
Placement of outbuildings, sheds, kennels and pens
Marking excavation boundaries