How do you Upgrade from Bamboo to Wood Plank Floor and Stone Walls?
Go into 'Build' mode and tap what you want to upgrade, there will be a button with a hammer and anvil, press that with the correct resources and it should upgrade.
Where do you find the Resources Aluminium?
Alunimum can be forged out of Bauxite from level 3 rock locations. It is an occasional drop like the pineapple sappling except it can only come from ore.
Where do I find the Jeep Transmit?
The Jeep transmit was not available in the beta version of the game, it is however available in the latest update.
Where do you get the Egg for the Incubator?
You only get the egg after you add all the resources that it needs and pressed 'Finalize'. You then need to wait until the game devs let you grow the egg.
How do I get Nails?
You need a workbench. Iron bars will become nails.
Are there any Achievements?
The achievement system is currently under development.